Week number from a date

Davide Varvello varvello at yahoo.com
Thu May 12 14:31:39 EDT 2016


Yep :-)
Davide


Sven Van Caekenberghe-2 wrote
> https://en.wikipedia.org/wiki/Week#Week_numbering
> 
> of course, not all countries have the same definition of week.
> furthermore, week number does not seem to be so simple.
>  
>> On 12 May 2016, at 18:17, Cédrick Béler <

> cdrick65@

> > wrote:
>> 
>> Not sure it exists (I didn’t find it but it may exists)… so I did a quick
>> try to code a new method in the class Week.
>> 
>> There is already index but this method returns the index of the current
>> month.
>> 
>> I did something like below (not tested much):
>> 
>> Week>>yearIndex
>> 
>> 	^ (self dayOfYear / 7 + 1) asInteger
>> 
>> 
>> ====
>> DateAndTime now asWeek yearIndex    returns 19
>> 
>> Maybe it would be better to create an equivalent method (weekYearIndex)
>> in Date (or eventually Timespan).
>> 
>> hth,
>> 
>> Cédrik
>>





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