We are using azure web app service for multi tenant application. But default time zone of app service is UTC taking i want to change that time zone for that region only.
If your App Service Plan is Linux change you need to set TZ variable in Application settings with your time zone in format like America/Sao_Paulo
Don't forget save and restart App.
Example:
List of time zones in: https://www.php.net/manual/en/timezones.php