Returns the day of the week of the specified date.
weekday( date, [return type])
date: (Date) The date that the day of the week will be calculated from
return_type: (Integer) Controls how the days of the week are numbered with 1
correlating 1-7 with Sunday-Saturday, 2
correlating 1-7 with Monday-Sunday, and 3
correlating 0-6 with Monday-Sunday.
Integer
The default value of return_type is 1
.
weekday(date(2011,12,13))
returns 3