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

168,537 days

From Wednesday, March 31, 1565 to Monday, September 7, 2026.

Monday–Friday weekdays120,383
Weeks and days24,076w 5d
Calendar span461 years, 5 months, 7 days

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