DateTimePicker Issue

I am using DateTimePicker field i am using its timezone method i need to show in ui date time in according to timezone() but in db it should save in utc
my timezone is 'Asia/Kolkata' its working for that its showing in ui my timezone and saving date in utc in db too
but if i put any other time zone its not working its showing time as my local timezone and also not saving data in utc.
Forms\Components\DateTimePicker::make('start_time') ->timezone(config('app.user_timezone')) ->required(),
Was this page helpful?