Subtract time calculator
Take hours and minutes off a time of day, or subtract one length of time from another.
Not legal, tax or payroll advice. General information only; results are estimates. Read the full notice.
Examples: 5:30 PM minus 8 h 45 min is 8:45 AM. Taking 9 h 40 min away from 1 day 2 h 15 min leaves 16 h 35 min.
Estimate based on what you entered. Not legal or payroll advice; check it against your employer's records.
How to use it
- To find an earlier time, use Subtract hours and minutes from a time. Type the start time and the hours and minutes to subtract.
- To subtract one length of time from another, fill in both rows of Subtract one length of time from another.
- Read the answer. Times before midnight say Previous day.
Related
Need to add instead? Use the add time calculator. To find the time between a start and an end, use the time duration calculator.
Questions
How do I subtract hours from a time?
Type the starting time, then the hours and minutes to take off. The answer is the clock time that long before. If it goes back past midnight, the Day line says Previous day.
How do I subtract one length of time from another?
Use the Subtract one length of time from another calculator. Type days, hours and minutes for the amount to start with and the amount to take away. Minutes are borrowed from hours and hours from days for you.
What does a negative answer mean?
It means the amount taken away is larger than the amount you started with. The calculator shows a minus sign and a note.
Is this the same as finding the time between two clock times?
Not quite. This page works from a length of time. To compare a start and an end time, use the time duration calculator.