Date Calculator
Count the days between two dates, or find the date a number of days, weeks, months or years from another date.
How the date calculator works
Days between dates = end date − start date. Tick "Include the end date" to count both the first and the last day (for example, Monday to Friday counts as 5 days).
Business days count Monday to Friday only. Public holidays are not removed, because they differ by country and state.
Adding months keeps the day of the month; if that day doesn't exist (for example, January 31 + 1 month), the result moves to the last day of the month.
Days from today (Nov 8, 2026)
| Days | From today | Before today |
|---|---|---|
| 7 days | Nov 15, 2026 | Nov 1, 2026 |
| 14 days | Nov 22, 2026 | Oct 25, 2026 |
| 30 days | Dec 8, 2026 | Oct 9, 2026 |
| 45 days | Dec 23, 2026 | Sep 24, 2026 |
| 60 days | Jan 7, 2027 | Sep 9, 2026 |
| 90 days | Feb 6, 2027 | Aug 10, 2026 |
| 100 days | Feb 16, 2027 | Jul 31, 2026 |
| 120 days | Mar 8, 2027 | Jul 11, 2026 |
| 180 days | May 7, 2027 | May 12, 2026 |
| 365 days | Nov 8, 2027 | Nov 8, 2025 |
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Date Calculator FAQ
How do I count the days between two dates?
Subtract the start date from the end date. The calculator does this for you and also shows weeks, months and business days. Tick "Include the end date" if you count both days.
What date is 90 days from today?
90 days from November 8, 2026 is Saturday, February 6, 2027.
How many weeks are in a year?
A year has 52 weeks and 1 day (52 weeks and 2 days in a leap year).
How many business days are in a year?
About 260 to 262 weekdays, before removing public holidays.