Calculate the exact number of days between any two dates. Perfect for tracking project durations, calculating age, planning events, or determining time periods. Order doesn't matter - the calculator automatically finds the difference.
Calculate how long a project or task took from start to finish.
Find out how many days old someone is or days until their birthday.
Determine how many days until an important event or deadline.
Calculate contract length or time remaining on agreements.
Find out how long until your trip or how long you've been away.
Calculate tenure at a job or time between employment dates.
Dates: February 22, 2026 to March 24, 2026
Result: 30 days (4 weeks + 2 days)
Dates: January 1, 2025 to January 1, 2026
Result: 365 days (52 weeks + 1 day, 1 year)
Dates: March 1, 2026 to August 15, 2026
Result: 167 days (23 weeks + 6 days, 5.5 months)
No! The calculator automatically determines which date is earlier and calculates the difference.
The calculator counts the days between the dates, which means it counts from the start date to the day before the end date.
Months have different lengths (28-31 days) and years vary due to leap years. We use averages: 30.44 days/month and 365.25 days/year.
This calculator shows total calendar days. For business days, you'd need to manually subtract weekends and holidays.
The day count is 100% accurate. Month and year conversions are approximations based on average lengths.
Yes! The calculator works with any dates, past or future.
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