Your time, worked out

Make sense
of every day.

Count days, calculate age, plan work and compare time zones—without wrestling with a calendar.

Choose a time tool Free · private · instant
10 focused tools0 accounts neededLocal browser calculations
The time toolkit

What do you need to work out?

No menus to decode. Choose one job and get the answer directly.

Most used

Age Calculator

Enter a birth date to see an exact calendar age and the total time elapsed.

Most used

Days Between Dates

Compare any two dates. The result includes total days, weeks and a calendar breakdown.

Most used

Add or Subtract Days

Move forward or backward from a date using calendar-aware day, week, month and year values.

Most used

Business Days Calculator

Count Monday-to-Friday dates in a range, including both selected dates when they are weekdays.

Date & time

Time Duration Calculator

Find elapsed clock time without converting hours and minutes by hand.

Date & time

Work Hours Calculator

Turn a shift and break into paid hours in hours-minutes and decimal formats.

Date & time

Countdown Timer

Set a duration and keep the remaining time visible in a distraction-free timer.

Date & time

Online Stopwatch

Measure elapsed time and record laps with one clear set of controls.

Date & time

Time Zone Converter

Choose a local date and time, then see the matching time in another city or zone.

Date & time

Unix Timestamp Converter

Switch between machine timestamps and human-readable date-time values.

Made for real plans

The answer stays the focus.

Dates can be surprisingly complicated. The interface should not be.

Useful defaultsToday and your local time are filled in where helpful.

Private by defaultInputs are calculated on this device, without an account.

Honest limitsCalendar, holiday and time-zone assumptions stay visible.