Timezone Converter
Convert a date and time between common IANA time zones with daylight-saving-aware offsets.
Time-zone conversion uses the browser's IANA time-zone data and accounts for applicable daylight-saving offsets.
About this tool
What is Timezone Converter?
Convert a local date and time from one time zone to another using browser-native IANA time-zone data. The converter supports common zones across North America, Europe, Asia, Africa, Australia, and the Pacific and applies the offset that corresponds to the selected date, including applicable daylight-saving changes.
How to use
Get your result in a few steps
- 1
Enter the local date and time you want to convert.
- 2
Choose the source time zone.
- 3
Choose the target time zone.
- 4
Click 'Calculate' to see the source and converted local times.
Frequently asked questions
Questions about Timezone Converter
Does the timezone converter account for daylight saving time?
Yes. It uses the browser's IANA time-zone data and applies the offset associated with the selected date and zone.
Why can some local times be invalid?
During a daylight-saving clock change, some local clock times may not exist. The tool reports an error when it detects a nonexistent local time.
Does this require an online time API?
No. The conversion uses time-zone support built into the browser.
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