diff --git a/ui/package-lock.json b/ui/package-lock.json
index cf271587a..d283f41da 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -19326,9 +19326,9 @@
       "integrity": "sha512-QLjwhhrAgrTdrVRUuuCWOHLt98bRXgx106Z1OErhk5mliQ9h1VH0LMLbmCkX8rdGTNxTsUvqR8y01ylkXCps0Q=="
     },
     "react-datepicker": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/react-datepicker/-/react-datepicker-2.11.0.tgz",
-      "integrity": "sha512-eyaLRTX4CaMnW4HW34gYmG4cT/3R9vyAIEAQ1SSWKBO77pTs6RfxUzbLRKOheyIlQM7BmXhLGOxq80vvlCb09w==",
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/react-datepicker/-/react-datepicker-2.12.0.tgz",
+      "integrity": "sha512-LlFK36MyQXLSMGB+DiZvPmVw+P1IeCvn2eX3bU1P32T6i8o7+b8LrUVYV9o7slXZMhqOjgTq2vYiXvdRpN/dlQ==",
       "requires": {
         "classnames": "^2.2.6",
         "date-fns": "^2.0.1",
diff --git a/ui/package.json b/ui/package.json
index 8b955ee2d..cc87f5a60 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -36,7 +36,7 @@
     "react-app-polyfill": "1.0.6",
     "react-autosuggest": "9.4.3",
     "react-collapsible": "2.6.2",
-    "react-datepicker": "2.11.0",
+    "react-datepicker": "2.12.0",
     "react-dom": "16.12.0",
     "react-highlighter": "0.4.3",
     "react-hotkeys": "2.0.0",
diff --git a/ui/src/Components/SilenceModal/DateTimeSelect/__snapshots__/index.test.js.snap b/ui/src/Components/SilenceModal/DateTimeSelect/__snapshots__/index.test.js.snap
index a9a89ee78..9a8947cd2 100644
--- a/ui/src/Components/SilenceModal/DateTimeSelect/__snapshots__/index.test.js.snap
+++ b/ui/src/Components/SilenceModal/DateTimeSelect/__snapshots__/index.test.js.snap
@@ -316,49 +316,56 @@ exports[`<DateTimeSelect /> 'Ends' tab matches snapshot 1`] = `
           >
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--030 react-datepicker__day--weekend react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-30\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, January 30th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 30
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--031 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-31\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, January 31st, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 31
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--001 react-datepicker__day--selected\\"
-                   aria-label=\\"day-1\\"
+                   tabindex=\\"0\\"
+                   aria-label=\\"Choose Tuesday, February 1st, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 1
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--002\\"
-                   aria-label=\\"day-2\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 2nd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 2
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--003\\"
-                   aria-label=\\"day-3\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 3rd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 3
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--004\\"
-                   aria-label=\\"day-4\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 4th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 4
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--005 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-5\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 5th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -367,49 +374,56 @@ exports[`<DateTimeSelect /> 'Ends' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--006 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-6\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 6th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 6
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--007\\"
-                   aria-label=\\"day-7\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 7th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 7
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--008\\"
-                   aria-label=\\"day-8\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 8th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 8
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--009\\"
-                   aria-label=\\"day-9\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 9th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 9
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--010\\"
-                   aria-label=\\"day-10\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 10th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 10
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--011\\"
-                   aria-label=\\"day-11\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 11th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 11
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--012 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-12\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 12th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -418,49 +432,56 @@ exports[`<DateTimeSelect /> 'Ends' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--013 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-13\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 13th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 13
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--014\\"
-                   aria-label=\\"day-14\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 14th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 14
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--015\\"
-                   aria-label=\\"day-15\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 15th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 15
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--016\\"
-                   aria-label=\\"day-16\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 16th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 16
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--017\\"
-                   aria-label=\\"day-17\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 17th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 17
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--018\\"
-                   aria-label=\\"day-18\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 18th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 18
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--019 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-19\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 19th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -469,49 +490,56 @@ exports[`<DateTimeSelect /> 'Ends' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--020 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-20\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 20th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 20
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--021\\"
-                   aria-label=\\"day-21\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 21st, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 21
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--022\\"
-                   aria-label=\\"day-22\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 22nd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 22
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--023\\"
-                   aria-label=\\"day-23\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 23rd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 23
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--024\\"
-                   aria-label=\\"day-24\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 24th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 24
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--025\\"
-                   aria-label=\\"day-25\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 25th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 25
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--026 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-26\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 26th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -520,49 +548,56 @@ exports[`<DateTimeSelect /> 'Ends' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--027 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-27\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 27th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 27
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--028\\"
-                   aria-label=\\"day-28\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 28th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 28
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--001 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-1\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, March 1st, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 1
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--002 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-2\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, March 2nd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 2
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--003 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-3\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, March 3rd, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 3
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--004 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-4\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, March 4th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 4
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--005 react-datepicker__day--weekend react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-5\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, March 5th, 2061\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -765,49 +800,56 @@ exports[`<DateTimeSelect /> 'Starts' tab matches snapshot 1`] = `
           >
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--001 react-datepicker__day--selected react-datepicker__day--today react-datepicker__day--weekend\\"
-                   aria-label=\\"day-1\\"
+                   tabindex=\\"0\\"
+                   aria-label=\\"Choose Sunday, February 1st, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 1
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--002\\"
-                   aria-label=\\"day-2\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 2nd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 2
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--003\\"
-                   aria-label=\\"day-3\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 3rd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 3
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--004\\"
-                   aria-label=\\"day-4\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 4th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 4
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--005\\"
-                   aria-label=\\"day-5\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 5th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 5
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--006\\"
-                   aria-label=\\"day-6\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 6th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 6
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--007 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-7\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 7th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -816,49 +858,56 @@ exports[`<DateTimeSelect /> 'Starts' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--008 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-8\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 8th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 8
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--009\\"
-                   aria-label=\\"day-9\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 9th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 9
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--010\\"
-                   aria-label=\\"day-10\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 10th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 10
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--011\\"
-                   aria-label=\\"day-11\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 11th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 11
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--012\\"
-                   aria-label=\\"day-12\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 12th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 12
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--013\\"
-                   aria-label=\\"day-13\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 13th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 13
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--014 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-14\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 14th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -867,49 +916,56 @@ exports[`<DateTimeSelect /> 'Starts' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--015 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-15\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 15th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 15
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--016\\"
-                   aria-label=\\"day-16\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 16th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 16
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--017\\"
-                   aria-label=\\"day-17\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 17th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 17
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--018\\"
-                   aria-label=\\"day-18\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 18th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 18
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--019\\"
-                   aria-label=\\"day-19\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 19th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 19
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--020\\"
-                   aria-label=\\"day-20\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 20th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 20
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--021 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-21\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 21st, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -918,49 +974,56 @@ exports[`<DateTimeSelect /> 'Starts' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--022 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-22\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 22nd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 22
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--023\\"
-                   aria-label=\\"day-23\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, February 23rd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 23
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--024\\"
-                   aria-label=\\"day-24\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, February 24th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 24
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--025\\"
-                   aria-label=\\"day-25\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, February 25th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 25
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--026\\"
-                   aria-label=\\"day-26\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, February 26th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 26
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--027\\"
-                   aria-label=\\"day-27\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, February 27th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 27
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--028 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-28\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, February 28th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
@@ -969,49 +1032,56 @@ exports[`<DateTimeSelect /> 'Starts' tab matches snapshot 1`] = `
             </div>
             <div class=\\"react-datepicker__week\\">
               <div class=\\"react-datepicker__day react-datepicker__day--029 react-datepicker__day--weekend\\"
-                   aria-label=\\"day-29\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Sunday, February 29th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 29
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--001 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-1\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Monday, March 1st, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 1
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--002 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-2\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Tuesday, March 2nd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 2
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--003 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-3\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Wednesday, March 3rd, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 3
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--004 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-4\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Thursday, March 4th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 4
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--005 react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-5\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Friday, March 5th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >
                 5
               </div>
               <div class=\\"react-datepicker__day react-datepicker__day--006 react-datepicker__day--weekend react-datepicker__day--outside-month\\"
-                   aria-label=\\"day-6\\"
+                   tabindex=\\"-1\\"
+                   aria-label=\\"Choose Saturday, March 6th, 2060\\"
                    role=\\"option\\"
                    aria-disabled=\\"false\\"
               >