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.

The end date comes before the start date

1,650 days

From Wednesday, March 12, 2031 to Friday, September 4, 2026.

Monday–Friday weekdays1,178
Weeks and days235w 5d
Calendar span4 years, 6 months, 8 days

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