The DAYS360 function in Excel returns the number of days between two dates based on a 360-day year (12 x 30 months). Calculations based on a 360-day year comes for certain accounting Reasons where all 12 months are considered to have 30 days.
Syntax for DAYS360 Function in Excel
DAYS360( start_date, end_date, [method] )
| start_date | The start of the period. |
| end_date | The end of the period. |
| [method] | An optional logical argument, which gives the method to be used in the calculation. IF FALSE US Method is used, IF TRUE European Method is used |
Example of DAYS360 Function in Excel:
Formula:
Results
- Row number 2 calculates Difference between Jan-1-2017 to Feb-1-2017 which actually 31 days but Because of DAYS360 Function we get 30 days
- Start Date has to be less than end date or else it will result in negative vale which -30 days in row number 3.
- If Start Date and End Date are same then difference between two days will be 0 days Which is shown in row number 4
- Row number 5 calculates difference between Feb-1-2015 to Feb-1-2017, which are Actually 731 days, Because of DAYS360 Function we get 720 days
Note on Errors of DAYS360 Function in Excel:
- #NUM! – Occurs if one or both of the supplied end_date and start_date arguments are numeric values, but are not recognized as valid dates.
- #VALUE! – Occurs if one or both of the supplied start_date and end_date arguments are text values that cannot be interpreted as dates
- #VALUE! –Also occurs when Supplied [Method] Argument is non Logical or non-Numeric.
