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8 free tools

Date and Time Calculators

Count days, convert between time zones, work out your exact age or see how long is left until a date — all in one place.

Counting days, weeks and workdays

The date difference calculator gives the time between two dates in days, weeks, months and years, which is useful for contract terms, notice periods or tenancy dates. Deadlines are often expressed in working days, so use the business days calculator for those: it skips weekends and the public holidays of the country you choose. The age calculator shows your exact age in years, months and days, and the countdown tool shows a live count to any target date or holiday.

Time zones, calendars and prayer times

When you schedule a call with someone abroad, the time zone converter puts both local times side by side and accounts for daylight saving time automatically, which is where most scheduling mistakes happen. The Hijri date converter translates between the Gregorian and Islamic calendars, and the prayer times tool lists the daily times for your city. Hijri dates can differ by a day depending on local moon sighting, so compare with your local authority when a date matters.

Stopwatch and rising sign

The online stopwatch and timer records laps and splits, runs Pomodoro sessions and can sound an alarm, without installing an app. It works well for workouts, cooking or rehearsing a presentation. The rising sign calculator finds your astrological ascendant, Sun sign, Moon sign and Midheaven from your date, time and place of birth. An accurate birth time matters here, because the rising sign changes roughly every two hours as the Earth rotates.

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