Date & Time

Online stopwatch with laps and a countdown timer. Runs in your browser, no install needed.

A big live digital clock and date with 12/24-hour and seconds toggles and a fullscreen mode.

Convert between Unix timestamps and human-readable dates

Build cron expressions with a visual interface

Convert time between different time zones worldwide

Manage your focus and break times with the Pomodoro technique

Calculate your age in years, months, days

Date difference and add days

Count business days between dates

Calculate work hours and pay

Convert Unix timestamp to date and back

Find what day a date falls on

Calculate duration between two times

Count days until an event

Translate cron expressions to plain English

Calculate days, weeks, months, years and business days between two dates.

Convert a time from one timezone to another accurately using IANA zones.

Convert seconds, minutes, hours, days, weeks, years

Convert seconds to hours:minutes:seconds