Time Zone Calculator
Convert time between any major time zones. Plan international meetings and calls.
About This Calculator
Convert time between any major time zones. Plan international meetings and calls. Use the calculator above for instant results.
Worked Examples
- EST (UTC-5) + 14hrs = 11pm JST
Answer: 11pm JST
- UTC to PST (UTC-8): 14:00 - 8hrs = 6am PST
Answer: 6am PST
- CET (UTC+1) to EST (UTC-5) = 4am EST
Answer: 4am EST
Who Uses This Calculator?
Schedule international meetings.
Know local time at destination.
Plan deployments across timezones.
Convert class and event times.
Common Mistakes to Avoid
❌ Daylight Saving Time
EST vs EDT differ by 1 hour. Check which is currently active in the US.
❌ Date can change
Converting between far-apart zones can result in next day or previous day.
Frequently Asked Questions
UTC offset?
UTC is the baseline. EST = UTC-5 (5 hours behind). JST = UTC+9 (9 hours ahead).
India half-hour offset?
IST = UTC+5:30. India uses a non-standard half-hour offset.
Best meeting time for US-India teams?
8-9am IST = 2:30-3:30pm EST previous day. Very early mornings overlap slightly. Most painful timezone pair.