Kern Sibbald wrote:
> On Thursday 03 August 2006 13:25, Alan Brown wrote:
>
>>On Wed, 2 Aug 2006, Erik P. Olsen wrote:
>>
>>
>>>>Schedule {
>>>> Name = "EveryOtherTuesday"
>>>> Run = Level=Full tue w00,w02,w04,w06,w08,w10,w12(etc to
>>>>week 52) at 22:00
>>>>}
>>>
>>>Some years have 53 weeks!
>>
>>Every year has part of a 53rd week.
>>
>>A Calendar year is 52 weeks and one day - or 52 weeks and 2 days on a leap
>>year.
>>
>>Put another way, it's 13 lunar (4 week) months and one/two days
>>
>>The 1 day fuzz isn't going to matter - and if it does, just end
>>with w52,w53
>
>
> If I remember right, Bacula uses the ISO week number definition standard,
> which has only 52 weeks, so w53 is probably not valid.
Nope, see 2004 which has 53 weeks.
> However, if I am not
> mistaken, the w00 is not ISO, and I put that in to cover the days before the
> first official ISO week -- i.e. the last part at the end of the year (or the
> first part before the beginning of the year).
ISO says this (w00) is the last week of the previous year (52 or 53)
cited from http://www.cl.cam.ac.uk/~mgk25/iso-time.html :
Week 01 of a year is per definition the first week that has the Thursday in
this year, which is equivalent to the week that contains the fourth day of
January. In other words, the first week of a new year is the week that has
the majority of its days in the new year. Week 01 might also contain days
from the previous year and the week before week 01 of a year is the last week
(52 or 53) of the previous year even if it contains days from the new year.
A week starts with Monday (day 1) and ends with Sunday (day 7)
>
>>AB
>>
>>
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