Read the article Holiday - Lasso 8 Custom Tag Determines the Nth Day of the Week.
[holiday]
determines the Nth day of the week for a given month and year,
and optionally returns the next occurrence. Also returns an error in case
invalid parameters are submitted, which can be displayed by
[error_currenterror]
. The defaults for month and year are the current
month and year. This tag is handy for determining when holidays fall on a
calendar. Requires the custom tag lp_date_leapyear.
[holiday]
accepts up to five parameters.
-ordinal
is required, and of type integer. Valid values are 1=first, ...,
5=fifth, -1=last, and correspond with the ordinal day of the month.
-dayofweek
is required, and of type integer. Valid values are 1=Sunday,
..., 7=Saturday.
-month
is optional, and of type integer. Valid values are 1 - 12,
corresponding to the number of the month. Default is current month.
-year
is optional, and of type integer. Valid values are 1000 - 9999.
Default is current year.
-next
is optional and can be any type. If present, holiday
returns the
next occurrence of the ordinal dayofweek for the month and year.
The following two statements are equivalent.
[holiday(-ordinal=-1, -dayofweek=2, -month=5, -year=2009)]
[holiday(-1,2,5,2009)]
The following two statements are equivalent.
[holiday(-ordinal=-1, -dayofweek=2, -month=5, -next)]
[holiday(-1,2,5,-next)]
Martin Luther King, Jr. Day (third Monday of January)
[holiday(3,2,1,year)]
Presidents Day (third Monday of February)
[holiday(3,2,2,year)]
Daylight Savings time begins (second Sunday of March)
[holiday(2,1,3,year)]
Mothers Day (second Sunday of May)
[holiday(2,1,5,year)]
Memorial Day (last Monday of May)
[holiday(-1,2,5,year)]
Fathers Day (you get the idea)
[holiday(3,1,6,year)]
Labor Day
[holiday(1,2,9,year)]
Columbus Day
[holiday(2,2,10,year)]
Daylight Savings Time ends
[holiday(1,1,11,year)]
Thanksgiving Day
[holiday(4,5,11,year)]
[holiday]
is based on an idea from IRT.
With suggestions for improvement from Bil Corry.
Inspired by jQuery Datepicker.