TZUTILITIES
Time Zone Difference Calculator
Convert a date and time from one time zone to another while accounting for daylight-saving changes.
Enter your values
Your inputs stay in this browser.ⓘ
Privacy-friendly: your inputs are processed locally in your browser.
Formula
The entered local date and time is interpreted in the source time zone, converted to an instant, then displayed in the target time zone.
The entered local date and time is interpreted in the source time zone, converted to an instant, then displayed in the target time zone.
How it works
1
Choose the date and time in the source zone.
2
Choose the source and target time zones.
3
Review the equivalent local date and time in the target zone.
Important notes
Time zones can change offsets because of daylight-saving rules. Results depend on the time-zone data provided by the browser.