How many hours is 8am to 12pm?
8am to 12pm
4 hours
8am to 12pm is 4 hours, or 240 minutes.
- Hours and minutes
- 4 hours
- Total minutes
- 240
- Decimal hours
- 4
- With a 30-minute unpaid break
- 3 hours 30 minutes (3.5 decimal hours)
- Crosses midnight
- No
- 24-hour notation
- 08:00 to 12:00
About this shift
The shift starts in the morning and ends at noon on the same date. It doesn't cross midnight, so the hours are a plain subtraction. It runs from 8am until noon, so all 4 hours are morning hours.
4 hours is 4 hours short of 8 hours. Five of these shifts come to 20 hours a week, or 17 hours 30 minutes with a 30-minute unpaid break each day.
If you take a 30-minute unpaid break, 3 hours 30 minutes remain, which a timesheet in decimal hours shows as 3.5. The 30 minutes is an example, not a legal rule. Whether you get a break, and whether it is paid, depends on your employer and where you work.
12pm is noon and 12am is midnight.
How the hours are worked out
- Write both times in 24-hour form: 08:00 and 12:00.
- Subtract. 12:00 − 08:00 = 4:00, which is 4 hours.
- For minutes, 4 × 60 = 240. For decimal hours, 240 ÷ 60 = 4.
- With the break, 240 − 30 = 210 minutes, or 3 hours 30 minutes.
Nearby start and end times
Other times, or a whole week
The hours calculator takes your own start and end time for each day, a break per day and an optional hourly rate, and adds up the week. Open the hours calculator