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The time duration from 9pm to 1pm is exactly 16 hours, which equals 960 minutes or 57600 seconds.
9pm to 1pm spans 16 hours. This period is during the evening or night hours when many people are winding down their day or engaging in leisure activities.
The calculator above automatically sets the times to 9pm (21:00) and 1pm (13:00), 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.
