Date & Time tools
Answer: Age, date difference, world clocks, and meeting planners for USA, UK, and worldwide teams.
Age, countdowns, time zones, durations. Browse live tools below — more are shipping in phases.
Live tools (27)
Exact age in years, months, and days from your date of birth.
Open tool →Date Difference CalculatorDays between two dates — weeks, months, and years.
Open tool →Time Zone ConverterConvert meeting times across USA, UK, and world cities.
Open tool →Add Days to DateAdd or subtract N days from any date.
Open tool →Date CalculatorAdd or subtract days from a date.
Open tool →Business Days CalculatorWeekdays between two dates.
Open tool →Birthday CountdownDays until your next birthday.
Open tool →Countdown CalculatorCountdown to any future date.
Open tool →Time Duration CalculatorDuration between two times.
Open tool →World ClockCurrent time in major cities.
Open tool →Unix Timestamp ConverterUnix time ↔ human date.
Open tool →Week Number CalculatorISO week number for a date.
Open tool →Leap Year CheckerCheck if a year is a leap year.
Open tool →Working Hours CalculatorHours worked between clock-in/out.
Open tool →Days Until ChristmasCountdown to December 25.
Open tool →Days Until New YearCountdown to January 1.
Open tool →Zodiac Sign FinderZodiac from birth date.
Open tool →Age in DaysExact age counted in days.
Open tool →Date to Day of WeekWhat day was a date?
Open tool →Fiscal Quarter FinderCalendar quarter for a date.
Open tool →Hours & Minutes AdderAdd time durations.
Open tool →Meeting Time Zone PlannerFind overlapping hours across zones.
Open tool →Time Card CalculatorWeekly timesheet totals.
Open tool →Flight Duration EstimatorRough flight time between zones.
Open tool →Sunrise Sunset LookupApprox sunrise/sunset by city.
Open tool →Golden Hour CalculatorPhoto golden hour windows.
Open tool →Timezone Abbreviation GuideEST, GMT, PST cheat sheet.
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