The formula, made clear.
Converted time = entered time + the difference between the destination and source UTC offsets.
This version uses fixed UTC offsets. Check daylight-saving rules for locations that change clocks seasonally.
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TIME TOOL
Time Zone Converter
Convert a date and time between commonly used UTC offsets for calls, travel and remote work.
Enter valid values to see your result.
When to use this calculator
Coordinate a call or deadline by entering the source date and time, then selecting source and destination UTC offsets.
See the calculation in context
09:00 at UTC+3 converts to 06:00 at UTC because the destination is three hours behind.
Frequently asked questions
Does this handle daylight saving?
No. It uses fixed UTC offsets, so confirm the current offset for locations that change clocks.
What does UTC+3 mean?
The local clock is three hours ahead of Coordinated Universal Time.
Can it cross midnight?
Yes. The date changes automatically when the offset difference crosses a day boundary.