Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

10,022 days

From Monday, March 29, 1999 to Saturday, September 5, 2026.

Monday–Friday weekdays7,159
Weeks and days1,431w 5d
Calendar span27 years, 5 months, 7 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.