10pm to 6am is 8 hours
10pm to 6am is 8 hours — 8.00 in decimal. With an unpaid 30-minute lunch that is 7 hours 30 minutes of paid time (7.50), and with an hour for lunch, 7 hours (7.00). The shift crosses midnight, so count it as one shift: add 24 hours to the clock-out time before subtracting.
| Shift | Hours | Decimal |
|---|---|---|
| 10pm to 6am | 8h | 8.00 |
| With a 30-minute unpaid lunch | 7h 30m | 7.50 |
| With a 1-hour unpaid lunch | 7h | 7.00 |
| 5 days with a 30-minute lunch | 37h 30m | 37.50 |
10pm to 6am over a week
Over five days with a 30-minute lunch, 10pm to 6am adds up to 37.5 hours. Under the federal 40-hour rule that is no overtime. California's daily rule adds nothing here either: no single day passes 8 hours.
Time card for 10pm to 6am
Your time card
Sep 13 – Sep 19What a 40-hour-only calculator would have told you
$0.00For these hours in California, the federal rule gives the same answer. The difference shows up on long days.
10pm to 6am: common questions
How many hours is 10pm to 6am with lunch?
With an unpaid 30-minute lunch, 10pm to 6am is 7 hours 30 minutes of paid work, or 7.50 hours in decimal. With a full hour for lunch it is 7 hours (7.00). Short rest breaks of 5 to 20 minutes are paid time under federal rules, so they are not subtracted.
How many hours a week is 10pm to 6am?
Five days of 10pm to 6am with a 30-minute lunch is 37.5 hours a week. That stays under the federal 40-hour overtime threshold. States with daily overtime count long days on their own — pick your state in the calculator above.
How do I write 10pm to 6am on a time card in decimal?
Write the clock-in and clock-out as they are, and the total as decimal hours: 8.00 for the full shift, or 7.50 after a 30-minute unpaid lunch. To convert, divide the minutes by 60 — 30 minutes is 0.50, 15 is 0.25 and 45 is 0.75 — and add them to the whole hours.
Other shifts
Converting a whole column of times? Use the hours to decimal converter, or the full time card calculator.