Time Calculators: Hours, Timesheets and Time Zones
Time calculators handle the awkward base 60 arithmetic of hours and minutes, which is easy to get wrong by hand. Add up shifts, total a week of hours or convert a meeting time for colleagues abroad.
Decimal hours are shown for payroll and invoicing systems that need them.
Hours CalculatorWork out hours worked for each day of the week and the total.Time Card CalculatorWork out hours and weekly pay from clock in and clock out times.Time CalculatorAdd and subtract hours, minutes and seconds, and see the total as hh:mm:ss and in decimal hours.Military Time ConverterConvert 24 hour military time to 12 hour clock time and back, with the way it is said aloud.Hours to Decimal CalculatorConvert hours and minutes to decimal hours for timesheets and invoices, or decimal hours back to hours and minutes.Sunrise and Sunset CalculatorWork out sunrise, sunset, solar noon and day length for any place and date from its latitude and longitude.Meeting PlannerFind the hours when working days overlap across up to four time zones, with daylight saving taken into account.Time Zone ConverterConvert a date and time from one city to up to four others, with UTC offsets and day changes.
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