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

181,040 days

From Wednesday, January 7, 1531 to Tuesday, September 8, 2026.

Monday–Friday weekdays129,314
Weeks and days25,862w 6d
Calendar span495 years, 8 months, 1 day

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