12-hour shift calculator

See what time a 12-hour day or night shift ends, including shifts that run past midnight.

Not legal, tax or payroll advice. General information only; results are estimates. Read the full notice.

When does my 12-hour shift end?

Start time For example 8:00 AM or 17:30

Paid hours to work Type 8, 7.5 or 7:30

Unpaid break, in minutes Type 0 for none

Clock out at

7:30 AM

24-hour time: 07:30
Day: Next day
Paid time: 12 h
Unpaid break: 30 min
Time at work, start to finish: 12 h 30 min

Estimate based on what you entered. Not legal or payroll advice; check it against your employer's records.

Not legal, tax or payroll advice. This page is provided as is, for general information only. It is not legal, tax, payroll or financial advice. Labor laws and pay rules change and vary by state, employer, job and your situation. Confirm with your employer, your state labor department, the U.S. Department of Labor or a qualified professional before relying on it.

HoursPad is software from The Stroop LLC. It is not a law firm, accounting firm, payroll service or government agency, it is not a substitute for the advice of an attorney or other qualified professional, and nothing on this page creates a professional relationship with you. The full disclaimer and limits of liability are in the Terms of Use. By using this page, you agree to those terms. See something wrong? Report an error.

Examples: a 12-hour shift starting at 7:00 PM with a 30-minute unpaid break ends at 7:30 AM (next day). Starting at 7:00 AM it ends at 7:30 PM.

Estimate based on what you entered. Not legal or payroll advice; check it against your employer's records.

How to use it

Type your Start time, like 7:00 AM or 7:00 PM.
Leave Paid hours to work at 12, or change it.
Type your Unpaid break in minutes, or 0 for none.
Read the time under Clock out at. Night shifts show Next day on the Day line.

End times for common start times

Start time	No break	30-min unpaid break	60-min unpaid break
5:00 AM	5:00 PM	5:30 PM	6:00 PM
6:00 AM	6:00 PM	6:30 PM	7:00 PM
7:00 AM	7:00 PM	7:30 PM	8:00 PM
6:00 PM	6:00 AM (next day)	6:30 AM (next day)	7:00 AM (next day)
7:00 PM	7:00 AM (next day)	7:30 AM (next day)	8:00 AM (next day)
8:00 PM	8:00 AM (next day)	8:30 AM (next day)	9:00 AM (next day)

Estimate based on what you entered. Not legal or payroll advice; check it against your employer's records.

Other lengths: 8-hour, 10-hour or any time in the clock-out time calculator. To total a week of shifts, including overnight ones, use the HoursPad time card.

Questions

What time does a 12-hour shift end?

Add 12 hours, plus any unpaid break, to the start time. A 7:00 AM start with a 30-minute unpaid break ends at 7:30 PM. A 7:00 PM start ends at 7:30 AM, next day.

How is a night shift shown?

When the clock-out time falls after midnight, the result says Next day. The shift is treated as one shift that starts on the day you start it.

How many hours is three 12-hour shifts?

Three 12-hour shifts add up to 36 h of paid time, before any unpaid breaks.

Can I type a different break or paid hours?

Yes. Change the Unpaid break box to 0, 45 or 60 minutes, or change Paid hours to work, for example to 11.5.