Time Calculator

Calculate time duration between two times, add or subtract time intervals, and perform time arithmetic.

Calculate the duration between two times

Start Time

End Time

Add or subtract hours and minutes from a base time

Base Time

Hours to Add/Subtract

Minutes to Add/Subtract

Time Format: Use 24-hour format (HH:MM) for accurate calculations

Overnight Times: The calculator automatically handles times that cross midnight

Current Time: Click the "Use Current Time" buttons to quickly input the current time

Precision: Results are calculated to the minute for maximum accuracy

• Calculate work hours

• Plan meeting durations

• Track project time

• Calculate break times

• Plan travel schedules

• Calculate overtime hours