From 6aabb4abef6e42913dc9d003f82b4e52ff0cf9dc Mon Sep 17 00:00:00 2001
From: Michael Shing <mikeyshing88@hotmail.com>
Date: Wed, 19 Feb 2020 16:51:22 +0000
Subject: [PATCH] Calendar fix for DST

---
 src/coord/calendar/Calendar.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/coord/calendar/Calendar.js b/src/coord/calendar/Calendar.js
index 923841bddd..e397c0ba6c 100644
--- a/src/coord/calendar/Calendar.js
+++ b/src/coord/calendar/Calendar.js
@@ -372,8 +372,8 @@ Calendar.prototype = {
             range.reverse();
         }
 
-        var allDay = Math.floor(range[1].time / PROXIMATE_ONE_DAY)
-            - Math.floor(range[0].time / PROXIMATE_ONE_DAY) + 1;
+        var allDay =
+            Math.round((range[1].time - range[0].time) / PROXIMATE_ONE_DAY) + 1;
 
         // Consider case:
         // Firstly set system timezone as "Time Zone: America/Toronto",
@@ -478,4 +478,4 @@ function doConvert(methodName, ecModel, finder, value) {
 
 CoordinateSystem.register('calendar', Calendar);
 
-export default Calendar;
\ No newline at end of file
+export default Calendar;