Time

Calculate exact age by birth date and as-of date, with next birthday, total days, and optional birth-time precision.

Find days between dates, add or subtract time, and count business days with clear start/end counting rules.

Calculate worked hours between two times, subtract breaks, and see hours, minutes, decimal hours, and total minutes.

Total work hours, breaks, overtime, decimal hours, and estimated pay with a simple 5-day or 7-day time card calculator.

Convert time between zones, see UTC offsets, day changes, and DST warnings for skipped or repeated local times.

Calculate exact time between two clock times with overnight handling, break deduction, decimal hours, minutes, and seconds.

Count days between dates or add and subtract days, with calendar or business-day options and end-date counting.

Find the weekday for any date using Gregorian, Julian, or Auto mode, plus leap year status, day number, and day of year.

Add or subtract time, find elapsed time, or total time entries in one simple Time Calculator.