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The time duration from 5pm to 4am is exactly 11 hours, which equals 660 minutes or 39600 seconds.
5pm to 4am spans 11 hours. This period is during the evening hours when many people are finishing their workday and heading home.
The calculator above automatically sets the times to 5pm (17:00) and 4am (04:00), 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.
