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

144,725 days

From Monday, June 10, 1630 to Monday, September 7, 2026.

Monday–Friday weekdays103,375
Weeks and days20,675w 0d
Calendar span396 years, 2 months, 28 days

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