WEEKDAY in WPS on Windows FAQ

Last updated:July 23, 2026

When using WEEKDAY, 3 common question types appear most often: parameter input, result checking, and practical usage; this FAQ includes 3 common answers and a glossary.

FAQ

What should I check first if WEEKDAY returns an error?

  1. Check whether the field or parameter you passed in is a valid date.
  2. Confirm that the formula syntax, parentheses, commas, and field references are complete.
  3. Save the formula and review the result again. If needed, test with one record first.

Can I use WEEKDAY with other formulas in WPS?

  1. Yes. Start by using WEEKDAY to return a weekday number.
  2. Then combine that result with conditional logic or other calculations.
  3. Save the formula and review whether the output matches your intended classification.

Does WEEKDAY update automatically after imported data changes?

  1. If the formula field references imported date data, the result is calculated for the current records after saving.
  2. When the source date field changes, the formula result updates with it.
  3. If the result does not change, check whether the date field format is correct.

Glossary

TermDefinition
WEEKDAYA date function that returns the weekday number for a specified date.
Formula fieldA calculated field in a multidimensional table that generates results from other field values.
Date parameterThe date value passed into a function for calculation, usually from a date field or a valid date expression.