Time Zone / UTC Converter
Current Time
UTC —
Local —
Converted Time
How the Time Zone / UTC Converter Works
This tool uses your browser's built-in Intl.DateTimeFormat API with official IANA time zone names (like America/New_York) to convert a date and time from one zone to another. Because it looks up each zone's actual rules for the date you enter, Daylight Saving Time transitions are handled automatically rather than using a fixed offset.
The live clocks at the top show the current UTC and your local time, updating every second, so you always have a reference point while converting.
Frequently Asked Questions
Does this account for Daylight Saving Time?
Yes — conversions use each time zone's real rules for the specific date you enter, so DST transitions are handled automatically rather than assuming a fixed offset year-round.
What format are the time zones in?
IANA time zone identifiers, such as Europe/London or Asia/Tokyo — the same standard used by most operating systems and programming languages.
Can I see the current time in both zones live?
Yes — the UTC and local clocks at the top of the page update every second, independent of whatever conversion you're running below.