Hi Umair,
Greetings from Syncfusion Support.
The Scheduler adds the UTC offset based on the system time zone or schedule time zone(if we set). If we send the start and end date to the server, it is automatically converted into the server time zone which has handled in the Scheduler source end. So we regret to let you know that this is not feasible and could you please share your use case to disable the UTC offset?
Regards,
Vengatesh