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

181,020 days

From Tuesday, January 27, 1531 to Tuesday, September 8, 2026.

Monday–Friday weekdays129,300
Weeks and days25,860w 0d
Calendar span495 years, 7 months, 12 days

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