Education tool
Time Duration Calculator
Find the duration between two times, including total minutes and decimal hours.
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How To Use Time Duration Calculator
Quick notes to help you understand the result before you act on it.
Overview
Use this time duration calculator for work shifts, study sessions, travel time, or event planning.
Enter times in 24-hour HH:MM format.
Time Difference Rule
- Duration = end time - start time.
- If the range crosses midnight, 24 hours are added.
Practical Tips
- Use 09:00 instead of 9 AM for best results.
- Enable crosses midnight for overnight durations.
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FAQ
Common questions about this tool.
Can this calculate overnight shifts?
Yes. Enable the crosses midnight option.
What format should I use?
Use 24-hour HH:MM format, such as 14:30.