Time Duration Calculator
Elapsed time between two dates and times — in your browser.
About Time Duration Calculator
A time duration calculator measures the elapsed time between two moments. Enter a start and end date-and-time and it returns the span in days, hours, minutes, and seconds, plus totals — handy for shifts, timesheets, and countdowns.
Frequently asked questions
- Can it span across midnight or multiple days?
- Yes. It handles durations that cross midnight and stretch over many days, dates, months, or years.
- What if the end is before the start?
- It still shows the magnitude of the difference and flags that the range is reversed (negative).
- Does it show total hours and minutes?
- Yes. Alongside the day/hour/minute breakdown it gives the total in hours, minutes, and seconds.
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