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Nth Weekday of Month Calculator

Pick a year, month, weekday and position to get the exact date.

How it is calculated

You choose a year (1 to 9999), a month (1 to 12), a weekday and a position: first, second, third, fourth, fifth or last. The tool counts weekdays from the 1st of that month in the Gregorian calendar, extended backwards for early years, and returns the date as YYYY-MM-DD, the weekday name and the day of the month. Last means the final such weekday of the month, which is the fourth or the fifth. If you ask for a fifth weekday that the month does not have, for example the fifth Thursday of November 2026, there is no result. Year and month must be whole numbers. Weeks are taken as Monday to Sunday, but only the weekday you pick matters here.

Worked example

The fourth Thursday of November 2026, the rule used for US Thanksgiving. November 1, 2026 is a Sunday, so the Thursdays fall on the 5th, 12th, 19th and 26th. The fourth one is the 26th. The result is 2026-11-26, a Thursday, day of month 26. Asking for the fifth Thursday of that month returns nothing, because November 2026 has only four. The last Thursday is also the 26th.

Try this example →

Common mistakes

  • Confusing fifth with last. Many months have no fifth Monday or Thursday, and then the tool returns nothing; last always works.
  • Counting the first full week instead of the first occurrence. The first Monday is the first Monday on the calendar, even if it is the 1st or 2nd, not the Monday of the first full week.
  • Entering the month as a name or as 0 to 11. The field is a whole number from 1 (January) to 12 (December).
  • Assuming one rule fits every country. Holidays like Thanksgiving or Memorial Day are defined by country, so check which weekday and position your local rule uses.
  • Using a business-day rule, such as the first working day of the month. This tool counts calendar weekdays and knows nothing about holidays.

About this calculator

This calculator answers questions like 'what date is the third Monday of November this year' or 'when is the last Friday of March' by counting weekday occurrences within a single month rather than working from a fixed day number. You pick a year, a month, a weekday, and a position — first through fifth, or last — and it locates the exact calendar date.

The pattern matters because many real recurring dates are defined this way instead of by a fixed day-of-month. In the United States, Thanksgiving falls on the fourth Thursday of November, Labor Day on the first Monday of September, and Memorial Day on the last Monday of May; many countries define similar floating public holidays. The same logic drives recurring meeting rules like 'second Tuesday of every month' in calendar apps, rent or invoice due dates tied to 'the first business day,' and legal or financial deadlines expressed as an ordinal weekday rather than a fixed date.

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