8 AM to 5 PM: How Many Hours?
That is the total elapsed time before subtracting an unpaid lunch or other unpaid breaks.
If you start work at 8:00 AM and finish at 5:00 PM, there are exactly 9 hours between those two times.
However, the number of hours worked can be lower if you take an unpaid lunch break. A 30-minute unpaid lunch gives you 8 hours 30 minutes of paid work, while a 1-hour unpaid lunch gives you 8 hours of paid work.
Open Work Hours Calculator →
How many hours is 8 AM to 5 PM?
From 8 AM to 5 PM is 9 hours total.
One simple way to check the result is to convert 5:00 PM to 24-hour time. 5:00 PM becomes 17:00, while 8:00 AM remains 08:00.
You can also count forward hour by hour from 8 AM until 5 PM. The total is nine hours.
8 AM to 5 PM with a 30-minute lunch
If your lunch break is 30 minutes and unpaid, subtract 30 minutes from the 9-hour shift.
That equals 8.5 decimal hours.
| Item | Time |
|---|---|
| Clock in | 8:00 AM |
| Clock out | 5:00 PM |
| Total shift | 9 hours |
| Unpaid lunch | 30 minutes |
| Hours worked | 8 hours 30 minutes |
| Decimal hours | 8.50 hours |
If you need to calculate exactly when your lunch ends, use the Lunch Break Calculator.
8 AM to 5 PM with a 1-hour lunch
A one-hour unpaid lunch reduces the nine-hour span to 8 paid hours.
What if the lunch break is paid?
If your lunch break is paid and counts as working time, you normally would not subtract it from the shift when calculating total paid hours.
In that case, 8 AM to 5 PM would remain 9 paid hours.
How many minutes is 8 AM to 5 PM?
There are 540 minutes from 8:00 AM to 5:00 PM.
After a 30-minute unpaid break, that becomes 510 minutes worked.
After a 60-minute unpaid break, it becomes 480 minutes worked.
8 AM to 5 PM in decimal hours
Without an unpaid break, the shift is exactly 9.00 decimal hours.
| 8 AM to 5 PM schedule | Hours and minutes | Decimal hours |
|---|---|---|
| No unpaid break | 9h 00m | 9.00 |
| 15-minute unpaid break | 8h 45m | 8.75 |
| 30-minute unpaid break | 8h 30m | 8.50 |
| 45-minute unpaid break | 8h 15m | 8.25 |
| 60-minute unpaid break | 8h 00m | 8.00 |
For other conversions, use the Decimal Hours Converter.
How many hours is 8 AM to 5 PM for five days?
If you follow the same 8 AM to 5 PM schedule Monday through Friday, the total elapsed time is:
| Daily unpaid break | Worked per day | Worked over 5 days |
|---|---|---|
| No unpaid break | 9h 00m | 45h 00m |
| 30 minutes | 8h 30m | 42h 30m |
| 1 hour | 8h 00m | 40h 00m |
If your hours change from day to day, our Weekly Hours Calculator is a better option because you can enter each day's hours separately.
How to calculate work hours manually
For a normal same-day shift, subtract the start time from the end time, then subtract any unpaid breaks.
For an 8 AM to 5 PM shift with a 30-minute unpaid lunch:
17:00 - 08:00 = 9 hours
9 hours - 0.5 hours = 8.5 hours worked
Frequently asked questions
Is 8 AM to 5 PM 8 hours or 9 hours?
The full time between 8:00 AM and 5:00 PM is 9 hours. It becomes an 8-hour workday only if one hour of that time is an unpaid break.
How many hours is 8 AM to 5 PM with a 30-minute lunch?
The total is 8 hours 30 minutes of work if the 30-minute lunch is unpaid.
How many hours is 8 AM to 5 PM with a one-hour lunch?
The total is 8 hours worked when the one-hour lunch is unpaid.
What is 8 AM to 5 PM in decimal hours?
Without a break it is 9.00 decimal hours. With a 30-minute unpaid break it is 8.50 hours. With a one-hour unpaid break it is 8.00 hours.
Calculate your own work schedule
The examples above are useful for an 8 AM to 5 PM schedule, but your actual start time, finish time, and break length may be different.
Use the Work Hours Calculator →