dhis2-users team mailing list archive

[Bob Jolliffe <bobjolliffe@xxxxxxxxx>]

Explain the Cambodian calendar a bit more.  I am sure there is more to it
than when the weeks start.  Or is that it?


On 14 June 2013 17:35, Knut Staring <knutst@xxxxxxxxx> wrote:

> Thanks Jason and Bob.
>
> Unfortunately, this seems to be a pressing requirement in several countries
>
> I think one simplification that could be justified would be to have only
> one week type in one DHIS2 instance. Thus, the exact meaning of 2012W25 is
> defined by looking at the FIRSTDAYOFWEEK setting in the particular db
> (which probably should be displayed on the About DHIS 2 page.
>
> Of course, that does not solve interoperability issues (but rather it
> deteriorate through obfuscation), but I think it is reasonable to think
> that everyone in Cambodia uses weeks starting on Wednesdays.
>
>
>
>
> On Fri, Jun 14, 2013 at 5:29 PM, Bob Jolliffe <bobjolliffe@xxxxxxxxx>wrote:
>
>> Weeks are as we all know something of a headache.  What we have defined
>> currently in DHIS2, as Jason points out, is the ISO standard week, which
>> even itself is something of a headache.
>>
>> I suspect that to incorporate all the variety which is called for
>> (Wednesday week starts is the most exotic I've seen to date!  But there are
>> also Islamic calendar issues, Ethiopian/Amharic calendar, Monday vs Sunday
>> starts etc)  we might need to zoom right out to define a generic repeating
>> period with rules around starting and stopping.  But it could get quite
>> complicated.  Two immediate issues which come to mind
>> (i) we need a string representation of periods.  So 2010W23 has a
>> particular meaning in terms of the ISO week number.  How to differentiate
>> this from a week which starts on a Wednesday (and which day of the year
>> would be day 1 of week 1?);
>> (ii) how to aggregate along the time axis ie, weeks->months->years
>>
>> Its something which needs to be done, but I am not at all clear what the
>> correct design approach would be.  Would be interested to hear people's
>> thoughts.
>>
>> Bob
>>
>>
>> On 14 June 2013 17:12, Knut Staring <knutst@xxxxxxxxx> wrote:
>>
>>> Devs: Is this something which could be targeted for 2.13?
>>>
>>> Knut
>>>
>>>
>>> On Mon, May 13, 2013 at 6:18 PM, Jason Pickering <
>>> jason.p.pickering@xxxxxxxxx> wrote:
>>>
>>>> Currently not. This has come up before, but for now, ISO weeks are what
>>>> has been implemented.
>>>>
>>>>  http://en.wikipedia.org/wiki/ISO_week_date
>>>>
>>>> Regards,
>>>> Jason
>>>>
>>>>
>>>>
>>>> On Mon, May 13, 2013 at 6:54 PM, Paulo Grácio <
>>>> pgracio@xxxxxxxxxxxxxxxxxxxx> wrote:
>>>>
>>>>> Hi, ****
>>>>>
>>>>> ** **
>>>>>
>>>>> Is there a way to define week start day for Weekly periods?****
>>>>>
>>>>> ** **
>>>>>
>>>>> Regards,****
>>>>>
>>>>> Paulo Grácio****
>>>>>
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>>>>
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>>>
>>>
>>> --
>>> Knut Staring
>>> Dept. of Informatics, University of Oslo
>>> +4791880522
>>> http://dhis2.org
>>>
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~dhis2-users
>>> Post to     : dhis2-users@xxxxxxxxxxxxxxxxxxx
>>> Unsubscribe : https://launchpad.net/~dhis2-users
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>>>
>>
>
>
> --
> Knut Staring
> Dept. of Informatics, University of Oslo
> +4791880522
> http://dhis2.org
>