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

148,211 days

From Monday, November 23, 1620 to Monday, September 7, 2026.

Monday–Friday weekdays105,865
Weeks and days21,173w 0d
Calendar span405 years, 9 months, 15 days

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