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Date & time
Plan dates, measure durations, and translate time across places.
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8 practical tools
Age calculatorFeaturedCalculate age in years, months, and days for any date.Days between datesFeaturedCount the exact elapsed days between two calendar dates.Date Calculator — Add or Subtract DaysFeaturedWhat date is 30, 60 or 90 days from today? Add or subtract any number of calendar days, including weekends, or choose another start date.Time zone converterFeaturedTranslate a local date and time between major IANA time zones.Business Days CalculatorCount inclusive dates after your chosen weekends and supplied holidays.Online countdown timerSet a free countdown for study or work, with pause and resume.Age at school start calculatorFind your child’s age when school starts and compare it with the minimum age you enter.Unix timestamp converterConvert seconds or milliseconds to an exact UTC ISO date and back.