Clock Duration Calculator
Calculate the time difference between two clock times in hours, minutes, and seconds
Calculate Time Duration
Hour
Min
Sec
Period
Hour
Min
Sec
Period
Duration Results
From: 9:00:00 AM
To: 5:00:00 PM
Duration: 8h 0m 0s
Duration Analysis
Example Calculations
Work Day Example
Start Time: 9:00 AM
End Time: 5:00 PM
Duration: 8 hours 0 minutes
Calculation: 17:00 - 09:00 = 8:00
Meeting Example
Start Time: 2:30 PM
End Time: 4:15 PM
Duration: 1 hour 45 minutes
Total Minutes: 105 minutes
Clock Format Guide
12-Hour Format
Uses AM/PM notation
Example: 2:30 PM
24-Hour Format
Military time format
Example: 14:30
Duration Tips
End time after midnight is treated as next day
Results show duration in multiple formats
Perfect for work hours and meeting duration
Handles both 12-hour and 24-hour formats
Understanding Clock Duration Calculation
How to Calculate Time Duration
Calculating the duration between two clock times involves subtracting the start time from the end time. The key is to handle different time formats and account for times that cross midnight.
Common Use Cases
- •Calculate work hours and overtime
- •Determine meeting and event durations
- •Track time spent on activities
- •Plan schedules and appointments
Calculation Method
Step 1: Convert times to 24-hour format
Step 2: Convert to total seconds
Step 3: Subtract start from end
Step 4: Convert back to hours, minutes, seconds
Note: If end time is smaller than start time, it's assumed to be the next day