From 319a81c580d01621cd624c07fe76ea7f1b1c7c1d Mon Sep 17 00:00:00 2001
From: Max Richter <83216211+mrclickbits@users.noreply.github.com>
Date: Wed, 28 Jul 2021 14:54:29 +0200
Subject: [PATCH] fix: numGroups calculation (#1963)

---
 src/utils/TimeSlots.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/TimeSlots.js b/src/utils/TimeSlots.js
index 4132c10c3..4fe7f8641 100644
--- a/src/utils/TimeSlots.js
+++ b/src/utils/TimeSlots.js
@@ -19,7 +19,7 @@ export function getSlotMetrics({ min: start, max: end, step, timeslots }) {
     1 + dates.diff(start, end, 'minutes') + getDstOffset(start, end)
   const minutesFromMidnight =
     dates.diff(daystart, start, 'minutes') + daystartdstoffset
-  const numGroups = Math.ceil(totalMin / (step * timeslots))
+  const numGroups = Math.ceil((totalMin - 1) / (step * timeslots))
   const numSlots = numGroups * timeslots
 
   const groups = new Array(numGroups)