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The time duration from 8pm to 9pm is exactly 1 hour, which equals 60 minutes or 3600 seconds.
8pm to 9pm spans one hour. 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 8pm (20:00) and 9pm (21:00), but you can adjust the date or add seconds for more specific calculations.
