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

155,145 days

From Thursday, November 29, 1601 to Monday, September 7, 2026.

Monday–Friday weekdays110,817
Weeks and days22,163w 4d
Calendar span424 years, 9 months, 9 days

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