These FAQ items cover 4 common questions about date format, return types, batch calculation, and practical spreadsheet use.
FAQ
What do the numbers returned by WEEKDAY mean?
- If you omit the second argument, 1 means Sunday and 7 means Saturday.
- If the second argument is
2, 1 means Monday and 7 means Sunday. - If the second argument is
3, 0 means Monday and 6 means Sunday.
Why is my WEEKDAY result incorrect?
- Check whether the referenced cell contains a valid date.
- Check whether
return_typematches your worksheet rule. - If the date is stored as text, convert it to a date value before calculating.
Can I use the WEEKDAY function for a whole date column?
- Enter the WEEKDAY formula in the first result cell.
- Confirm that the first result is correct.
- Drag the fill handle down to apply the same formula to the rest of the column.
How do I use the WEEKDAY function in WPS for attendance sheets or calendar analysis?
- Use WEEKDAY to convert each date into a weekday number.
- Combine the result with
IF, filtering, or summary rules. - Use the weekday numbers to mark workdays, weekends, or reporting groups.
Glossary
| Term | Definition |
|---|---|
| serial_number | The first argument in WEEKDAY. It is the date serial value or a cell reference that points to a date. |
| return_type | The second argument in WEEKDAY. It controls how weekday numbers are assigned. |
| date serial number | The internal numeric form used by spreadsheet software to store dates for calculation. |
| fill handle | The small square at the lower-right corner of a selected cell that lets you copy formulas down or across. |