Time Duration Calculator
Calculate elapsed time and duration between two times.
Time Duration Calculator
Calculate duration and elapsed time between a start time and end time in hours, minutes, and seconds with midnight crossing support.
What is a Time Duration Calculator and How Does It Work?
The Time Duration Calculator computes elapsed time between a start time and end time in hours, minutes, and seconds. It supports 12-hour AM/PM and 24-hour formats and handles overnight shift durations that cross midnight.
Elapsed duration is 8 hours and 15 minutes (8.25 decimal hours).
Correctly accounts for crossing midnight.
Common Real-World Use Cases
Calculate exact paid hours worked from clock-in and clock-out times, including shifts that cross midnight into the next calendar day.
Find out exactly how long a meeting, call, or appointment lasted between a start and end time.
Track how long a study or focus session lasted from start to finish.
Determine total travel time between a departure and arrival time, including overnight flights.
- 1Enter the Start Time (e.g., 09:30 AM or 09:30).
- 2Enter the End Time (e.g., 05:45 PM or 17:45).
- 3View total elapsed time formatted in hours and minutes.
- •If the end time is earlier than the start time (e.g., 11:30 PM to 01:15 AM), the calculator automatically treats it as crossing midnight into the next day.
- •Great for calculating work shift hours, study sessions, and flight times.
Frequently Asked Questions
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