Method
Subtracts UTC date-and-time values.
Date & Time / browser tool
Date Difference with Time Calculator
Calculate the elapsed time between two dates and clock times.
Compare start and end instants in days, hours, and minutes.
Your inputs stay on your device
Compare dates and times
live resultDuration
Total hours
Dates use calendar rules in UTC. Workday calculations exclude Saturdays and Sundays, not public holidays.
Context & Reference
How it works
For measuring elapsed time between two date-times.
calculator guideHow to use it
Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.
Understand the result
The same duration is provided in milliseconds, minutes, hours, and days.
Example
Compare 2025-01-01 09:00 with 2025-01-03 12:30.
Practical tip
An end before the start produces a negative duration.
Notes
This calculator runs locally in this browser. An end before the start produces a negative duration.
Useful next steps
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