Hours Calculator

Calculate the duration between two times in hours and minutes. This calculator can also add or subtract time from a given date and time.

Time Duration
Add/Subtract Time

Result

Duration: -

0h
6h
12h
18h
24h
Total Hours -
Total Minutes -
Decimal Hours -
Work Hours (9AM-5PM) -

About the Hours Calculator

The hours calculator calculates the duration between two times in hours and minutes. It can also add or subtract time from a given date and time. This calculator is perfect for tracking work hours, calculating timesheets, or determining time differences.

How to Calculate Time Duration

Time duration is calculated by counting the hours and minutes between the start time and end time. The calculation accounts for crossing midnight and can include or exclude the end time.

Key Features:

Time Calculation Methods

The calculator uses precise time arithmetic to ensure accurate results. For duration calculations, it counts the full hours first, then the remaining minutes. For date/time arithmetic, it properly handles month lengths and daylight saving time changes.

Common Uses

This calculator is useful for tracking work hours, calculating overtime, planning schedules, determining time differences between time zones, and for any application that requires precise time calculations.