How to Calculate the Number of Sundays in a Year Using Excel Formula

Learn how to count all Sundays in any year with a simple Excel formula using NETWORKDAYS.INTL function for accurate date calculations.

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To calculate the number of Sundays in a year in Excel, you can use the NETWORKDAYS.INTL function combined with a tweak. First, define the start and end date of the year in two cells (e.g., A1 for January 1, YYYY, and A2 for December 31, YYYY). Then, use the formula `=NETWORKDAYS.INTL(A1, A2, "1111110")`–this counts only Sundays between the two dates. "1111110" in the formula means that only Sundays are considered as non-work days; all other days are counted as work days.

FAQs & Answers

  1. How do I count the number of Sundays between two dates in Excel? Use the formula =NETWORKDAYS.INTL(start_date, end_date, "1111110") where "1111110" excludes all days except Sundays.
  2. What does the "1111110" argument mean in the NETWORKDAYS.INTL function? The "1111110" string designates which days are considered weekends; here, only Sunday is treated as a non-work day for counting purposes.
  3. Can I count other specific weekdays using a similar Excel formula? Yes, by adjusting the weekend string in NETWORKDAYS.INTL, you can count occurrences of any particular weekday within a date range.
  4. Do I need to enter start and end dates manually for each year? You can reference cells with the year’s first and last dates or generate these dates dynamically using Excel date functions.

Watch More

For more Excel date and time tips, check out our videos on counting specific weekdays, calculating business days, and using advanced date formulas to improve your spreadsheet skills.

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