Time Zone Converter
Convert a time from one time zone to another. Supports UTC offsets for all major world time zones quickly and accurately.
Converted Time (24h)
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Converted Time (12h) —
Day Change —
How to Use This Calculator
- Enter the source hour and minute.
- Select the source UTC offset (the time zone the time is in).
- Select the target UTC offset (the time zone to convert to).
- The converted time is shown in both 24-hour and 12-hour formats.
Formula
UTC time = Source time − Source offset
Target time = UTC time + Target offset
Example
Example: 3:00 PM New York (UTC−5) → London (UTC+0) = 8:00 PM.
Frequently Asked Questions
- Enter a time and select its UTC offset (source zone), then select the target UTC offset. The calculator adjusts the time accordingly, wrapping past midnight if needed.
- Eastern Standard Time (EST) is UTC−5. Eastern Daylight Time (EDT) is UTC−4.
- GMT/UTC is UTC+0 in winter. British Summer Time (BST) is UTC+1.
- Yes — India Standard Time is UTC+5:30. Enter 5.5 as the offset (or select +5:30 from the dropdown).
- The calculator uses fixed UTC offsets. You must select the correct DST offset manually for the relevant season.