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Request a Feature Report a Bug
Declined
Last Updated: 09 Sep 2026 14:08 by ADMIN
Scheduled for 2026 Q4 (Nov)
Shannon
Created on: 30 Aug 2023 14:47
Category: Scheduler
Type: Bug Report
2
Timeline view - setting the EndTime to Midnight (00:00) throws as the Scheduler considers this time lower than the StartTime

I am trying to look at the times 7pm - midnight.  But if I set the end time to midnight, I get an error that the end time has to be greater than the start time.  How do I set the timeline to show 7pm - midnight or 8pm - 2am?

I tried including the next date in the EndTime but the Scheduler does not take the date into consideration, it checks only the time portion.

1 comment
ADMIN
Ivan Danchev
Posted on: 09 Sep 2026 14:08

Hello,

We are closing this Bug Report item with status "Declined" for the reasons explained below:

We have reviewed the current implementation. It is working as designed. Timeline StartTime, EndTime, WorkDayStart, and WorkDayEnd define a one-day time pattern, and the component uses only their time portions. The reported configuration uses next-day midnight, which is interpreted as 00:00 and falls outside the expected same-day range, thus, resulting in an error. This can be avoided by setting the end values to 23:59:59 on the same day: https://blazorrepl.telerik.com/wguXYhYL25m8PLvx21 

The Scheduler's Timeline documentation article has been updated accordingly to explain the proper configuration: https://www.telerik.com/blazor-ui/documentation/components/scheduler/views/timeline#time-range-constraints  

Regards,
Ivan Danchev
Progress Telerik

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