Date & Time

Unix timestamps, date differences, time zones, ISO 8601 and durations.

Unix Timestamp ConverterSee the current Unix epoch time live and convert timestamps to dates (UTC, local, relative) and dates back to timestamps.Timestamp to Date ConverterConvert Unix timestamps in seconds, milliseconds, microseconds or nanoseconds to ISO 8601, RFC or SQL dates in UTC.Date to Timestamp ConverterConvert ISO 8601 and common date formats to Unix timestamps in seconds or milliseconds.Date Difference CalculatorCount the years, months, days, weeks, weekdays and hours between two dates.Date Add / Subtract CalculatorAdd or subtract years, months, weeks, days and hours from a date, with correct month-end handling.Age CalculatorCalculate exact age in years, months and days from a date of birth, plus total days and the next birthday.Time Zone ConverterConvert a date and time between any two IANA time zones with daylight saving time handled automatically.ISO 8601 Date ConverterConvert dates or timestamps to ISO 8601 extended, basic, week-date and ordinal-date forms at any UTC offset.Day of the Week CalculatorFind which day of the week any date falls on, past or future, for one date or a whole list.Week Number CalculatorGet the ISO 8601 week number and week-year for any date, with the Monday-to-Sunday range of that week.Seconds to Time ConverterConvert a number of seconds to HH:MM:SS, compact 1h 2m 3s, or words like "1 hour, 2 minutes and 3 seconds".Time to Seconds ConverterConvert durations like 01:30:00, 90:00, 1h 30m or "2 hours 15 minutes" to seconds, minutes or hours.Cron Expression ParserExplain a 5-field cron expression in plain English and list its next run times in UTC.