What this calculator does
Use this hours calculator for shifts, timesheets and daily planning. Enter a start time, end time and optional unpaid break.
Formula used
The calculator subtracts start time from end time, adds 24 hours if the shift ends next day, then subtracts break minutes.
How to read the result
The result is elapsed time after breaks. Payroll rules can differ if overtime, rounding or paid breaks apply.
Assumptions
- Uses 24-hour times.
- Break is subtracted in minutes.
- Does not apply payroll rounding rules.
Sources and checks
This calculator uses a standard public formula. Where rules or thresholds can change, source links are listed on the relevant page.
Frequently asked questions
How do I calculate an overnight shift?
Tick ends next day when the end time is after midnight on the following date.