Date & Time Tools
Convert timestamps, time zones and calculate dates.
Date & Time Tools list
Timestamp Converter
Convert Unix timestamps to dates and back, in any unit.
Unix Time Converter
See the current Unix time and convert epoch seconds to a date.
Timezone Converter
Convert a date and time between any two time zones.
Date Calculator
Add or subtract days, weeks, months and years — or find the gap.
Countdown Calculator
Count down the days, hours, minutes and seconds to any moment.
About Date & Time Tools
Date and time tools take the pain out of working with timestamps, time zones and date arithmetic. Convert a Unix timestamp into a readable date, translate a meeting time across time zones, work out the number of days between two dates, or count down to a deadline — all without reaching for a spreadsheet formula or a snippet of code.
Everything runs in your browser and uses its built-in internationalization engine, so conversions respect real time-zone rules, including daylight saving, and your dates never leave your device. Results update live as you type or as the clock ticks.
These utilities pair naturally: convert an epoch value to a date, shift it into another time zone, then measure how far away it is. The related links connect the full workflow.
Frequently asked questions
- Do these tools handle daylight saving time?
- Yes. Time-zone conversions use the browser's IANA time-zone database, so daylight saving transitions are applied automatically for each zone and date.
- Are my dates sent to a server?
- No. Every calculation runs locally in your browser, so the dates and times you enter stay on your device.