functx:first-day-of-month
The first day of the month of a date
Description
The functx:first-day-of-month function returns the date representing the first day of the month of $date as an xs:date value.
The $date argument must be castable to xs:date, meaning that it must have the type xs:date or xs:dateTime, or be an xs:string or untyped value of the form YYYY-MM-DD.
Parameters |
Description |
---|---|
date:date() |
the date |
Examples
XPath |
Results |
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functx:first-day-of-month(xs:date(‘2004-01-23’)) |
2004-01-01 |
functx:first-day-of-month(xs:dateTime(‘2004-01-23T12:00:13’)) |
2004-01-01 |
functx:first-day-of-month(‘2004-03-23’) |
2004-03-01 |