Date and Time Calculators

Calculate exact age in years, months, and days.

Find the number of days between two dates.

Add or subtract days from a specific date.

Find which day of the week a date falls on.

Get the ISO-8601 week number for any date.

Track time remaining until a future event.

Calculate duration between two clock times.

Calculate work hours after deducting breaks.

Count working days (Mon-Fri) between dates.

Convert dates to Epoch/Unix timestamps.

See exactly how many weeks old you are.

Calculate your total age in months.

Add specific number of weeks to any date.

Add specific number of months to any date.

Find out when your next half-birthday is.

Live countdown in seconds to the end of the day.

Calculate duration until a specific time today.

Calculate total pay with overtime rate (1.5x).

Generate your next 5 upcoming pay dates.

Advanced multi-event countdown tracker.