Days Between Dates Calculator

Count calendar days, business days, weekend days, weeks, months, and years between two dates. Include the end date or exclude holidays when needed.

1. Select Dates

Enter dates to exclude from business days (YYYY-MM-DD), one per line.

Result

Ready to calculate

Select your start and end dates to see the difference.

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Within which, there are:

Weekend Days
Business Days
Holidays

Count Days Between Two Dates

Use this days between dates calculator when you need a quick and exact date difference for planning, forms, deadlines, travel, projects, anniversaries, subscriptions, or school and work schedules. The result can show total calendar days, business days, weekend days, weeks, months, and years.

How to use this date calculator

  1. Select the start date and end date using the month, day, and year dropdowns.
  2. Choose whether to include the end day. This is useful when both dates should count as part of the period.
  3. Select all calendar days, business days only, or weekend days only.
  4. If needed, enter public holidays in YYYY-MM-DD format so they are excluded from the business day count.
  5. Click Calculate Difference to see the date difference in multiple formats.

Useful calculation modes

  • Calendar days: count every day between two dates.
  • Business days: count Monday to Friday and optionally exclude holidays.
  • Weekend days: count Saturdays and Sundays only.
  • Include end day: add one day when the final date should be counted.

FAQ

How do I count the days between two dates?

Select a start date and an end date, then click Calculate Difference. The tool shows the difference as years, months, weeks, total calendar days, business days, and weekend days.

Should I include the end date?

Use Include end day when both the start date and end date should count. Turn it off when you only want the elapsed days between the two dates.

Can this calculator count business days only?

Yes. Choose Business Days Only to count Monday through Friday. You can also enter holidays in YYYY-MM-DD format to exclude them from the result.

Does it handle leap years and different month lengths?

Yes. The calculation is based on the actual calendar dates you enter, including leap years and months with 28, 29, 30, or 31 days.