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Time Between Dates Calculator
Find the exact duration between two dates and times.
Alternative Units (Totals):
0Total Days
0Total Hours
0Total Minutes
0Total Seconds
Formula
Calculates the absolute difference in milliseconds and converts it sequentially down to years, months, days, hours, minutes, and seconds, accounting for leap years and varying month lengths in standard Date objects.
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Examples
Jan 1, 2023 to Jan 1, 2024 = 1 Year
Start of workday to end = 8 Hours
Age calculation: Birthdate to today
FAQ
Are leap years considered?
Yes, standard JavaScript Date objects automatically account for leap years.
Does order matter?
No, the calculator takes the absolute difference regardless of which date is earlier.
What time zones are used?
The calculations are based on your local system time zone.