Ayuda de LibreOffice 24.8
Returns the number of date or time intervals between two given date values.
DateDiff (interval As String, date1 As Date, date2 As Date [, firstDayOfWeek As Integer [, firstWeekOfYear As Integer]]) As Double
un númberu.
interval - A string expression from the following table, specifying the date or time interval.
date1, date2 - The two date values to be compared.
firstdayofweek: An optional parameter that specifies the starting day of a week.
| firstdayofweek value | Esplicación | 
|---|---|
| 0 | Utilizar valor predetermináu del sistema | 
| 1 | Domingu (valor predetermináu) | 
| 2 | Llunes | 
| 3 | Martes | 
| 4 | Miércoles | 
| 5 | Xueves | 
| 6 | Vienres | 
| 7 | Sábadu | 
firstweekofyear: An optional parameter that specifies the starting week of a year.
| firstweekofyear value | Esplicación | 
|---|---|
| 0 | Utilizar valor predetermináu del sistema | 
| 1 | Week 1 ye la selmana del día 1 de xineru (predetermináu) | 
| 2 | Week 1 ye la primer selmana que contién cuatro o más díes d'esi añu | 
| 3 | Week 1 ye la primer selmana que namái contién díes del añu nuevu | 
Sub example_datediff
    MsgBox DateDiff("d", #1/1/2005#, #2005-12-31#)
End Sub