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

154,875 days

From Monday, August 26, 1602 to Monday, September 7, 2026.

Monday–Friday weekdays110,625
Weeks and days22,125w 0d
Calendar span424 years, 12 days

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