When dealing with timestamps, it's easiest to store and process them in UTC for as much of your code as possible. This means pretty much all of your backend an

When dealing with timestamps, it's easiest to store and process them in UTC for as much of your code as possible. This means pretty much all of your backend and database code. Only convert these values from UTC to other timezones when presenting this data to the user (at that point, you'd need to take the user's timezone(s) into account).