There are many things to consider about this. Which is why we have standards!

>
>IMO... due to the creation of a year timeline object... Week #53 sound the most logic answer for any western country.. because it isn't the first week of the year, but the last one.. because it starts on the year of 2008
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>DEC 08  week 49      week 50      week 51      week 52      week 53
>[]                       |            |            |            |           []
>[]--------------------------------------------------------------------------[]
>[]                       |            |            |            |           []
>