Railo 4.2 Reference
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Function LSWEEK

Returns the week number in the year of the date referenced, based on the loal influence. not everywhere the wekk begins on Monday by defintion.


lsweek(datetime date,[string locale,[string timezone]]):number


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
date datetime  Yes  
locale string  No Locale to use instead of the locale of the page when processing the function  
timezone string  No A datetime object is independent of a specific timezone, it is only a offset in milliseconds from 1970-1-1 00.00:00 UTC (Coordinated Universal Time).
This means that the timezone only comes into play when you need specific information like hours in a day, minutes in a hour or which day it is since those calculations depend on the timezone.
For these calculations, a timezone must be specified in order to translate the date object to something else. If you do not provide the timezone in the function call, it will default to the timezone specified in the Railo Administrator (Settings/Regional), or the timezone specified for the current request using the function setTimezone.
You can find a list of all available timezones in the Railo administrator (Settings/Regional). Some examples of valid timezones:
- AGT (for time in Argentina)
- Europe/Zurich (for time in Zurich/Switzerland)
- HST (Hawaiian Standard Time in the USA)