From d8f0ac786a651c22510c34b4f55e7daa03375993 Mon Sep 17 00:00:00 2001
From: Matyas Szabo <forianszm@gmail.com>
Date: Thu, 19 Sep 2024 15:46:21 +0200
Subject: [PATCH] fix(ui-calendar): remove unnecessary warnings about date
 parsing

Backport of https://github.com/instructure/instructure-ui/pull/1681 to InstUI v9
---
 packages/ui-calendar/src/Calendar/index.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/ui-calendar/src/Calendar/index.tsx b/packages/ui-calendar/src/Calendar/index.tsx
index a0c8e7a1cb..6cdea329a5 100644
--- a/packages/ui-calendar/src/Calendar/index.tsx
+++ b/packages/ui-calendar/src/Calendar/index.tsx
@@ -509,7 +509,14 @@ class Calendar extends Component<CalendarProps, CalendarState> {
         <Calendar.Day
           key={dateStr}
           date={dateStr}
-          isSelected={selectedDate ? date.isSame(selectedDate, 'day') : false}
+          isSelected={
+            selectedDate
+              ? date.isSame(
+                  DateTime.parse(selectedDate, this.locale(), this.timezone()),
+                  'day'
+                )
+              : false
+          }
           isToday={date.isSame(today, 'day')}
           isOutsideMonth={!date.isSame(visibleMonth, 'month')}
           label={date.format('D MMMM YYYY')} // used by screen readers