This is a sample script for copying the date object between Google Spreadsheets with the different time zones using Google Apps Script.
As I’ve previously mentioned working with dates, times and time zones can often be a bit of a headache. If you’d like to learn more about some of the challenges of dealing with ‘big balls of wibbly-wobbly, timey-wimey… stuff’ I recommend watching Comptuerphile’s Problem with Time & Timezones.
This post from Kanshi Tanaike highlights a couple of approaches for handling date/time objects in Google Apps Script when you are using Google Sheets.
