Time Zone Converter
Convert an ISO date/time with an explicit UTC offset into an entered target IANA time zone.
How to use Time Zone Converter
- Enter ISO date/time with UTC offset, Target time zone.
- Choose Run tool to calculate or generate the result.
- Check the result and the limitations below before reusing it.
A practical example
Options:
{
"instant": "2026-09-22T12:00:00+05:30",
"zone": "Europe/London"
}
Example result:
{
"target": "Tuesday, 22 September 2026 at 07:30:00 BST",
"utc": "2026-09-22T06:30:00.000Z"
}Limitations and common mistakes
Supply an explicit UTC offset or Z in the input to disambiguate daylight-saving transitions.
Supply an explicit UTC offset or Z in the input to disambiguate daylight-saving transitions.
Questions about Time Zone Converter
What input does Time Zone Converter need?
Input options: ISO date/time with UTC offset, Target time zone.
What does Time Zone Converter return?
Calculated result fields: target, utc.
What should I check before using Time Zone Converter results?
Supply an explicit UTC offset or Z in the input to disambiguate daylight-saving transitions.
Supported input and output
Input options: ISO date/time with UTC offset, Target time zone.
Calculated result fields: target, utc.