-
The time duration from 9am to 4pm is exactly 7 hours, which equals 420 minutes or 25200 seconds.
9am to 4pm spans 7 hours. This period is during the morning hours when most people are active and starting their workday.
The calculator above automatically sets the times to 9am (09:00) and 4pm (16:00), but you can adjust the date or add seconds for more specific calculations.