Mathematical Formula & Method
Time Duration Calculator Formula
Duration = End Time − Start Time (crosses midnight handled automatically)
Worked Examples & Step-by-Step Solutions
09:00 AM to 05:30 PM (17:30)
- Difference: 8 hours and 30 minutes.
- Total decimal hours: 8.50 hours.
How to Use the Time Duration Calculator
- Select start time and end time to calculate total elapsed duration.
Important Assumptions & Unit Conventions
- Handles overnight intervals automatically within a 24-hour cycle.
Frequently Asked Questions
How to convert minutes to decimal hours for timesheets?
Divide minutes by 60. For example, 30 minutes = 30 / 60 = 0.50 hours.
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