-
The time duration from 9am to 3pm is exactly 6 hours, which equals 360 minutes or 21600 seconds.
9am to 3pm spans 6 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 3pm (15:00), but you can adjust the date or add seconds for more specific calculations.