From 23f97bdd3c7006a35a62a83d1584cd52fab19180 Mon Sep 17 00:00:00 2001
From: Alex van Andel <me@alexvanandel.com>
Date: Wed, 2 Aug 2023 18:03:04 +0100
Subject: [PATCH] use dayjs utc mode to improve before/after performance
 (#10544)

---
 packages/lib/date-ranges.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/lib/date-ranges.ts b/packages/lib/date-ranges.ts
index 878ba8963e..ee26ebdb39 100644
--- a/packages/lib/date-ranges.ts
+++ b/packages/lib/date-ranges.ts
@@ -157,9 +157,9 @@ export function intersect(ranges: DateRange[][]): DateRange[] {
 }
 
 function getIntersection(range1: DateRange, range2: DateRange) {
-  const start = range1.start.isAfter(range2.start) ? range1.start : range2.start;
-  const end = range1.end.isBefore(range2.end) ? range1.end : range2.end;
-  if (start.isBefore(end)) {
+  const start = range1.start.utc().isAfter(range2.start) ? range1.start : range2.start;
+  const end = range1.end.utc().isBefore(range2.end) ? range1.end : range2.end;
+  if (start.utc().isBefore(end)) {
     return { start, end };
   }
   return null;