DAYS360 in WPS on Windows FAQ

Last updated:July 23, 2026

Common questions about DAYS360 usually focus on parameter input, nested formulas, and automatic calculation results; this FAQ includes 3 common questions and a 3-term glossary.

FAQ

What should I check first if DAYS360 returns an error?

  1. Check whether the start date and end date are valid date values.
  2. Check whether the parameter order is correct so the end date is not placed first by mistake.
  3. If other functions are nested in the formula, review each part step by step.

Can DAYS360 be used together with other functions?

  1. Yes. Start by writing DAYS360 on its own and confirm the result first.
  2. Then use its result inside functions such as IF and AND.
  3. After saving, review whether the result matches your expectation. If needed, split the logic into multiple fields for testing.

Will a formula field calculate DAYS360 automatically after data import?

  1. A formula field usually calculates automatically after the required data becomes available.
  2. If no result appears, first check whether the imported date fields use the correct format.
  3. Reopen the formula editor to confirm the formula has not changed, then check whether the result refreshes.

Glossary

TermDefinition
DAYS360A function that calculates the number of days between two dates using a 360-day year and 30-day month convention.
Formula fieldA field type in a multidimensional table that generates results automatically through a formula.
ParameterA value passed into a function during calculation, such as a start date or end date.