Time Zone Converter
Convert times across multiple time zones
About the Calculator
Scheduling across time zones is easy to get wrong and hard to fix after the fact. This converter helps you map a time in one city to the right time in every other location you care about. Add multiple zones, compare them at a glance, and see which hours overlap for meetings. It is perfect for remote teams, travel planning, or keeping up with friends and family. Use it to avoid late night surprises and to pick a time that works for everyone. The built in map makes the time zones feel real and keeps the context clear. Use the Time Zone Converter to get a clear result you can act on right away.
Reference Time
Time in Each Zone
New York (EST/EDT)
Daylight Saving Time active
Sat, Feb 28, 09:35 AM
London (GMT/BST)
Daylight Saving Time active
Sat, Feb 28, 02:35 PM
Tokyo (JST)
Sat, Feb 28, 11:35 PM
Selected Time Zones on Map
Time Zone Quick Facts
Daylight Saving Time
Most US/Europe: Spring forward, Fall back. Not all countries observe DST.
International Date Line
Crossing from east to west skips a day forward. West to east repeats a day.
Business Hours Overlap
US East Coast & Europe: 8 AM - 12 PM EST works for both. US & Asia: Evening PST = Morning Asia.
UTC/GMT Reference
UTC (Coordinated Universal Time) is the global time standard. All zones are offsets from UTC.
The Formula
How to Calculate Manually
- 1
Select your reference time zone and enter a specific time
- 2
Add additional time zones you want to compare
- 3
View the equivalent time in each location simultaneously
- 4
Use the meeting finder to discover optimal times for cross-timezone calls
- 5
Check the world map to visualize your selected time zones
Examples
3 PM in New York. What time is it in Los Angeles and London?
3 PM in New York = 12 PM in Los Angeles = 8 PM in London.
9 AM meeting in Tokyo. What time is it in Los Angeles?
9 AM in Tokyo = 5 PM the previous day in Los Angeles.
Scheduling across NYC, London, and Sydney.
9 AM NYC = 2 PM London = 1 AM Sydney (next day).
💡 Tips
- •Daylight Saving Time changes dates vary by country - the converter handles this automatically
- •The International Date Line means some zones are a day ahead despite being geographically close
- •Best meeting times across US/Europe: 9-11 AM EST (2-4 PM GMT)
- •Best meeting times across US/Asia: 6-8 PM PST (9-11 AM next day in Tokyo)
- •Always specify timezone when scheduling international calls to avoid confusion
🎉 Fun Facts
- •China uses a single time zone despite spanning 5 geographic zones
- •Nepal is one of only two countries with a 45-minute offset (UTC+5:45)
- •Some countries change DST dates yearly, making time conversion tricky
- •The International Date Line zigzags to keep countries unified in time