How many hours is 9 AM to 1 PM?
9 AM to 1 PM is 4 hours (09:00–13:00 in 24-hour time).
9 AM to 1 PM is 4 hours (09:00–13:00 in 24-hour time).
No federal overtime: under 40 hours.
Different times? Use the weekly timesheet calculator or the overtime calculator.
9 AM is a morning start. These are the clock times that matter on this shift:
| Moment | Clock time |
|---|---|
| Start | 9:00 AM |
| Halfway point | 11:00 AM |
| End | 1:00 PM |
| Unpaid break | Paid time (h:mm) | Decimal hours |
|---|---|---|
| 0 min | 4:00 | 4.00 |
| 15 min | 3:45 | 3.75 |
| 30 min | 3:30 | 3.50 |
| 45 min | 3:15 | 3.25 |
| 60 min | 3:00 | 3.00 |
With a 0-minute unpaid break each day (short shifts often have none):
| Shifts in the week | Total (h:mm) | Decimal | Over 40 hours |
|---|---|---|---|
| 3 shifts | 12:00 | 12.00 | — |
| 4 shifts | 16:00 | 16.00 | — |
| 5 shifts | 20:00 | 20.00 | — |
| 6 shifts | 24:00 | 24.00 | — |
Gross pay before tax, with a 0-minute unpaid break. Weekly figures assume five shifts, with any hours past 40 paid at 1.5×.
| Hourly rate | Per shift | Per week (5 shifts) | Per year (52 weeks) |
|---|---|---|---|
| $15.00 | $60.00 | $300.00 | $15,600.00 |
| $18.00 | $72.00 | $360.00 | $18,720.00 |
| $20.00 | $80.00 | $400.00 | $20,800.00 |
| $25.00 | $100.00 | $500.00 | $26,000.00 |
| $30.00 | $120.00 | $600.00 | $31,200.00 |
Five of these shifts give about 20.0 paid hours a week. For employer health coverage under the Affordable Care Act, the IRS treats an employee as full-time at an average of at least 30 hours a week (130 hours a month). By that measure this schedule is part-time; you would need 7.5 shifts a week to reach 30 hours. Employers set their own full-time definition for other benefits.
9 AM to 1 PM is 4 hours (09:00 to 13:00 in 24-hour time).
With a 30-minute unpaid lunch, 9 AM to 1 PM is 3 hours 30 minutes of paid time (3.50 decimal hours).
Five shifts with a 0-minute unpaid break total 20:00 hours (20.00 decimal).
Last updated October 2026. If something here is wrong or out of date, email contactus@calculatehours.net.