How to Use the Hours Calculator

Calculate the duration between two times. Enter start and end times with AM/PM to get the total hours and minutes.

Time Format

• Use HH:MM format (e.g., 9:00, 10:30, 12:15)
• Select AM or PM for each time
• Calculator handles overnight periods automatically

Examples

• 9:00 AM to 5:00 PM = 8 hours
• 10:30 AM to 3:15 PM = 4 hours 45 minutes
• 11:00 PM to 7:00 AM = 8 hours (overnight)