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

6,405 days

From Monday, February 23, 2009 to Monday, September 7, 2026.

Monday–Friday weekdays4,575
Weeks and days915w 0d
Calendar span17 years, 6 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.