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The time duration from 9am to 1am is exactly 16 hours, which equals 960 minutes or 57600 seconds.
9am to 1am spans 16 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 1am (01:00), but you can adjust the date or add seconds for more specific calculations.
When the end time is earlier than the start time, the calculator automatically sets the end date to the next day.
