510789 - Calendar week counting works not according to ISO 8601

Status: RESOLVED INVALID

(Calendar :: Internal Components, defect)

Description

[xadmi]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2
Build Identifier: Lightning [de] 0.9 (Build 2008033120) in Thunderbird 2.0.0.22 (Build 20090605)

According to ISO 8601 begins the first week of the year with the first week that has a thursday numbered 4 or higher.
I saw some discussions about this topic in the past, but the bug is still not fixed!

Reproducible: Always

Steps to Reproduce:
1. Select the first of January 2009 or 2008 (Wednesday or Tuseday)
2. have a look at the displayed calendar week
Actual Results:  
Notice the failure - it is 1!!!

Expected Results:  
It should be 53 (Thursday is only the 1st/3rd)!

Comment 1

[xadmi]

Okay, it works. My failure.

Comment 2

[Martin Schröder [:mschroeder]]

(In reply to comment #0)
> According to ISO 8601 begins the first week of the year with the first week
> that has a thursday numbered 4 or higher.

That's wrong! The week with the year's first Thursday in it is Week 1 according to ISO 8601. January 1st in 2009 was a Thursday, and Lightning shows the correct ISO week number, which is "1".

-> Resolving as INVALID