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

140,295 days

From Sunday, July 27, 1642 to Monday, September 7, 2026.

Monday–Friday weekdays100,211
Weeks and days20,042w 1d
Calendar span384 years, 1 month, 11 days

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