WebyTooly

Time Zone Converter

Enter a time and the hour difference between the two zones to calculate the converted time.

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Converted time
03:00
Day change
Next day
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How the time conversion is calculated

The time difference (positive or negative, including half-hour zones) is added to the source time. If the result exceeds 24 hours or is negative, it's adjusted and the day change is shown.

converted time = source time + time difference (mod 24)

Worked example

If it's 22:00 at the source and the time difference is +5, the converted time is 03:00 the next day.

Frequently asked questions

Does it support half-hour time differences?
Yes, you can enter decimal differences like 5.5 for half-hour time zones (for example India, UTC+5:30).
Does it account for daylight saving time?
Not automatically. You should use the current time difference, which can vary due to daylight saving time in each zone.
How do I find the time difference between two cities?
Check the UTC offset difference between both time zones and enter it as the time difference.

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