From 699fc7e4004a5e29a79c27cdcc15c63f23aa597d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jacob=20M=C3=BCller?= <jacob.mueller.elz@gmail.com>
Date: Fri, 16 Oct 2020 08:56:21 +0200
Subject: [PATCH] fix(b-calendar): month formatting for ceratin dates

---
 src/components/calendar/calendar.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/calendar/calendar.js b/src/components/calendar/calendar.js
index 1cec00454ce..52e691f183c 100644
--- a/src/components/calendar/calendar.js
+++ b/src/components/calendar/calendar.js
@@ -356,7 +356,10 @@ export const BCalendar = Vue.extend({
       return this.activeDate.getMonth()
     },
     calendarFirstDay() {
-      return createDate(this.calendarYear, this.calendarMonth, 1)
+      // We set the time for this date to 12pm to work around
+      // date formatting issues in Firefox and Safari
+      // See: https://github.com/bootstrap-vue/bootstrap-vue/issues/5818
+      return createDate(this.calendarYear, this.calendarMonth, 1, 12)
     },
     calendarDaysInMonth() {
       // We create a new date as to not mutate the original