Time Zone Converter
Convert times between any world time zones instantly. Compare up to 4 time zones side by side with DST-aware results.
Time Zone Converter
Convert times across world time zones with DST-aware accuracy
Convert To
World Clock — Current Time
How the Time Zone Converter Works
This tool uses the Intl API built into modern browsers to convert times between any of the world's IANA time zones. It automatically handles Daylight Saving Time transitions, so conversions are accurate year-round — just pick a date, time, and source zone, then see the equivalent time in up to four target zones simultaneously.
Common Time Zone Conversions
Some of the most frequent conversions involve US time zones (EST, CST, MST, PST) to UTC/GMT for international coordination, US to India Standard Time (IST) for tech teams, and US to Central European Time (CET) for transatlantic business. This converter supports all of these and hundreds more, including zones for every country and territory.
Understanding UTC Offsets and DST
UTC (Coordinated Universal Time) is the global time standard from which all time zones are defined as offsets. Many regions observe Daylight Saving Time, shifting their clocks forward by one hour in spring and back in autumn. Because not all countries observe DST — and those that do may change on different dates — it's important to use a DST-aware converter rather than relying on fixed offsets.