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

180,726 days

From Tuesday, November 17, 1531 to Tuesday, September 8, 2026.

Monday–Friday weekdays129,090
Weeks and days25,818w 0d
Calendar span494 years, 9 months, 22 days

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