Calculate daily and weekly work hours
Enter start, end, break, and days per week to total your scheduled hours.
Interactive tool
Enter your details
Your inputs stay in this browser.
Result
What this result means
The tool handles a shift ending at or before its start time as an overnight shift. It calculates clock time only and does not decide paid time or legal overtime.
How to use it
- Enter unpaid break minutes separately.
- Check your contract or payroll rules to determine which hours are paid.
Frequently asked questions
Can I calculate an overnight shift?
Yes. An end time earlier than the start time is treated as the following day.
Does this calculate Korean overtime pay?
No. It totals time only and makes no legal classification or pay calculation.
Are breaks included?
Elapsed time is shown separately, and entered break minutes are removed from work time.