DAY in WPS on Windows FAQ

Last updated:July 20, 2026

When using the DAY function in WPS AirSheet, common questions usually involve input format, incorrect results, and syntax guidance; this FAQ covers 3 frequent questions and a short glossary.

FAQ

What should I do if the DAY function shows an error?

  1. Check whether the formula starts with =.
  2. Make sure the parentheses are paired correctly and the argument is entered with the expected separator format.
  3. Confirm that the argument is a valid date, a date cell reference, or a formula that returns a date.
  4. Press Enter again after making corrections.

Why does the DAY function return the wrong result?

  1. Check whether the referenced cell contains a valid date instead of plain text.
  2. Confirm that the input represents a complete date rather than another number.
  3. If you are using a nested formula, review the upstream formula result step by step.
  4. If needed, re-enter the date or adjust the cell format and test again.

How to use the DAY function in WPS on Windows with syntax guidance?

  1. Select the target cell.
  2. Type =DAY(.
  3. Review the syntax guidance shown in the formula input area.
  4. Complete the argument based on the guidance and finish the formula.

Glossary

TermDefinition
DAY functionA function that extracts the day of the month from a date value and returns it as a number.
Syntax guidanceThe parameter help and example information shown while you enter a function.
Nested calculationA calculation that uses another function or expression inside the current formula.