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hours-from-dateTime

Returns the hour portion of a date/time.

fn:hours-from-dateTime(arg)

The following table describes the argument for this command:

Argument	Required/ Optional	Description
arg	Required	The dateTime value from which the hours component is to be extracted. The dateTime-value is of type xs:dateTime or is an empty sequence.

Returns the hour portion of an xs:dateTime value in its localized form, as an integer between 0 and 23 inclusive.

If dateTime-value is an empty sequence, the returned value is an empty sequence.

The following expression returns the hour from the date/time:

fn:hours-from-dateTime(xs:dateTime('TIME'))

The following table lists some sample values and return values:

TIME	RETURN VALUE
2023-08-15T10:30:23	10
2023-08-15T10:30:23-05:00	10

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