9am to 5pm Is How Many Hours?
Measure a clock span, including overnight, or add and subtract hh:mm durations. 09:00 to 17:00 is 8:00. A 30-minute break makes it 7:30.
Processed entirely in your browser — nothing you enter here is ever uploaded.
Result
About this tool
From 9:00 in the morning to 5:00 in the afternoon is exactly 8 hours. This page opens the duration calculator with 09:00 and 17:00 already filled in, so the classic 9-to-5 result is one click away — and you can adjust either time to match your real schedule.
The paid time usually differs from the clock time: with a 30-minute unpaid lunch a 9-to-5 day counts as 7.5 worked hours, and with a full one-hour break it drops to 7 hours. Type the break into the minutes field and the calculator deducts it before showing hh:mm, decimal hours, and total minutes.
The decimal figure matters for payroll: 7:30 on the clock is 7.5 hours on an invoice, not 7.3. Whatever break you set, this calculator converts the result for you — entirely in your browser.
Example. 09:00 to 17:00 is 8:00, 480 minutes, 8.00 hours. A 30-minute break makes 7:30, 450 minutes, 7.50 hours. 21:00 to 05:00 is an overnight 8:00.
Limit. Clock times are 00:00–23:59. A break longer than the span is rejected. 09:00 to 09:00 is zero, not 24 hours. Durations can be negative when you subtract.