Days Between Two Dates Calculator
Enter two dates to instantly find the total number of days, weeks, months and working days between them.
How This Calculator Works
This tool counts the number of days, weeks, months and working days between two calendar dates. It automatically accounts for leap years and varying month lengths, so the result is always accurate.
Formula
Breakdown
Between August 21, 2026 (Friday) and September 20, 2026 (Sunday) there are 30 days — that's 4 weeks and 2 days, or 0 months and 30 days. Of those, 20 days are working days (Monday–Friday) and 10 fall on a weekend.
Frequently Asked Questions
How many days between August 21, 2026 and September 20, 2026?
There are 30 days between August 21, 2026 and September 20, 2026 (4 weeks and 2 days).
Does this include the start date and end date?
Counting begins the day after the start date and includes the end date — the standard way date-difference calculators work.
How many working days are between August 21, 2026 and September 20, 2026?
There are 20 working days (Monday-Friday), out of 30 total days.
Does this account for leap years?
Yes — every calculation automatically accounts for leap years and varying month lengths.
Need to exclude public holidays too?
Use the Working Days Calculator on this site, which lets you add specific holiday dates to exclude.