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

159,995 days

From Friday, August 19, 1588 to Monday, September 7, 2026.

Monday–Friday weekdays114,281
Weeks and days22,856w 3d
Calendar span438 years, 19 days

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