I found this extremely useful. The code I'm working on has user-set weekstart days (not always Monday) and this code was very nicely explained and easy to modify.
Robert Browning on being asked what some line in one of his poems meant said
'When I wrote it only God and Robert Browning knew. Now only God knows.'

In reply to Re: ISO 8601 week number by blahblah
in thread ISO 8601 week number by wol

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