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

12,897 days

From Monday, May 13, 1991 to Thursday, September 3, 2026.

Monday–Friday weekdays9,213
Weeks and days1,842w 3d
Calendar span35 years, 3 months, 21 days

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