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The time duration from 3pm to 4pm is exactly 1 hour, which equals 60 minutes or 3600 seconds.
3pm to 4pm spans one hour. This period is during the afternoon hours when people are typically active and working.
The calculator above automatically sets the times to 3pm (15:00) and 4pm (16:00), but you can adjust the date or add seconds for more specific calculations.
