Time & Date
World clock, timezone conversion, timestamps.
World Clock
World Clock displays the live current time in dozens of cities across every continent, right in your browser.
GMT Offset Clock
GMT Offset Clock shows the live time for any fixed UTC offset, from GMT-12:00 to GMT+14:00, without daylight saving shifts.
Timezone Converter
Timezone Converter translates any date and time between two IANA time zones, including UTC and fixed GMT offsets.
Unix Timestamp Converter
Unix Timestamp Converter turns epoch seconds or milliseconds into a human-readable date, and back again.
Time Duration Calculator
Time Duration Calculator computes the exact difference between two dates and times, down to the second.
About Time & Date
Everything you need to reason about time across locations: a live world clock for major cities, a timezone converter that handles UTC and every IANA zone, a Unix timestamp converter that auto-detects seconds versus milliseconds, and a duration calculator that respects leap years and month lengths.
Everything on this page runs directly in your browser — none of your input is uploaded to a server.