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

173,268 days

From Friday, April 18, 1552 to Tuesday, September 8, 2026.

Monday–Friday weekdays123,762
Weeks and days24,752w 4d
Calendar span474 years, 4 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.