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

168,905 days

From Saturday, March 28, 1564 to Monday, September 7, 2026.

Monday–Friday weekdays120,646
Weeks and days24,129w 2d
Calendar span462 years, 5 months, 10 days

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