Calculate ages, date differences, timestamps, and time zones. All calculations happen locally in your browser.
Calculate your exact age in years, months, days, hours, minutes, and seconds.
Calculate the difference between two dates in various units.
Convert between human-readable dates and Unix timestamps.
Convert time between different timezones around the world.
View current time in multiple timezones with live updates.
Set a countdown timer for any future date and time.
Precise stopwatch with lap time recording functionality.
Add or subtract time durations from a given time.