Time Tools & Calculators

cake Age Calculator Calculate your exact age in years, months and days from your date of birth, plus days until your next birthday. Calculatechevron_right timer Online Stopwatch (With Laps) A precise stopwatch with lap timing, running in your browser tab — start, split, pause and reset with one click, no app needed. Runchevron_right hourglass_bottom Countdown Timer Set minutes and seconds, start the countdown, and get a clear alert sound when it hits zero — works even in a background tab. Runchevron_right date_range Date Difference Calculator Calculate the number of days, weeks, months and years between two dates — including how many days until or since an event. Calculatechevron_right public Time Zone Difference Calculator Pick two cities on a world map — or auto-detect your location — and see the live local times, the exact hour difference and a time converter. Calculatechevron_right event_available Business Days Calculator (US Holidays) Count working days between two dates — weekends and US federal holidays excluded automatically — and see which holidays fall in the range. Calculatechevron_right travel_explore World Clock (Multi-City) Watch live local time in several cities at once — add as many as you need from a searchable list, ticking every second. Runchevron_right download Download Time Calculator How long a file takes to download at your connection speed — with the Mbps vs MB/s trap handled correctly. Calculatechevron_right timer Pomodoro Timer Automatic work/break cycles with a session counter and a local chime — unlike a plain countdown, it moves on to the next phase for you. Runchevron_right