Overview
Calculate your actual working hours accurately, whether you work day shifts or overnight shifts. Enter the start time, end time and break to get net hours and overtime.
Formula
Find the difference between start and end. If the end is before the start, add 24 hours. Then subtract the break minutes to get net work time.
How it works
Enter the start time
Use 24-hour format such as 09:00.
Enter the end time
It can fall on the next day for overnight shifts.
Add the break
Set standard hours to see overtime.
Worked examples
A 9-to-5 day
From 09:00 to 17:00 with a 30-minute break: 7 hours and 30 minutes of work.
An overnight shift
From 22:00 to 06:00 with a 45-minute break: 7 hours and 15 minutes of work.
Frequently asked questions
Does it support overnight shifts?
Yes. If the end time is before the start, 24 hours are added automatically.
How is overtime calculated?
Overtime = net working time − the standard hours you enter.
Can I deduct more than one break?
Add all break minutes together and enter the total in one field.
This calculator is for educational and informational purposes only and is not a substitute for professional advice.