Date & Time

Calculate ages and durations, convert time zones and timestamps, and work with dates, all in your browser.

5 tools

Calculate

  • Age Calculator Calculate your exact age in years, months, and days from a date of birth, plus totals in months, weeks, and days and a countdown to your next birthday.
  • Date Difference Calculator Count the exact time between two dates in years, months, and days, plus totals in days, weeks, and months and the number of weekdays (business days).

Convert

  • Timezone Converter Convert a date and time from one timezone to another, with UTC time, each zone offset, and the exact hours difference. Daylight saving handled automatically.
  • Unix Timestamp Converter Convert a Unix timestamp to a human date, or a date back to a timestamp, in seconds or milliseconds, with the UTC time, ISO 8601 string, and your local time.

Schedule

  • Cron Expression Parser Parse a cron expression into plain English, count how often it runs, and see next run times. Supports lists, ranges, steps, and month or weekday names.