[D66] [JD: 11] JD calculator

[R.O.]

Je kunt het testen met faketime...:

rene at NUC:~/Projects$ faketime '2021-03-07 07:00:00' iso
isodayyear: 66
isoweeknr: 9
isoweekday: 7
isoyear: 2021


rene at NUC:~/Projects$ faketime '2021-03-07 07:00:00' jd
UTC: Sun Mar  7 06:00:00 2021
Day #: 7
Month #: 3
Year #: 2021
Julian day (Vogelaar): 2459280.500000
Julian day number since March 1 200 (Fluks): 665114
First day month: 665108
Janssen day number since February 23 2021 (JD):  13


On 05-03-2021 19:37, R.O. wrote:
> bug gefixed in iso...
> 
> On 05-03-2021 18:55, R.O. wrote:
>> buggy, do not use...
>>
>> On 05-03-2021 18:35, R.O. wrote:
>>> https://github.com/juggao/jd
>>>
>>> ISO date calculator toegevoegd:
>>>
>>> $ make iso
>>>
>>> rene at NUC:~/Projects/Cal$ iso
>>> isodayyear: 64
>>> isoweeknr: 9
>>> isoweekday: 5
>>> isoyear: 2021
>>>
>>>
>>> On 05-03-2021 15:08, R.O. wrote:
>>>> https://github.com/juggao/jd
>>>>
>>>> /* calculate Janssen Day Number (JD = Julian Day number - 665101) 
>>>> 23/2/2021
>>>>     R.O./VENLO  March 5 2021
>>>>
>>>>     JD=11
>>>>      EPOCH: [TONALPOHUALLI] 13-Miquiztli | 1-Ocelotl | 9-Calli
>>>>         [CE] 2021-02-23
>>>>         [LC] 13.0.8.5.6
>>>> */
>>>>
>>>>
>>>> rene at NUC:~/Projects/Cal$ ./jd
>>>> Fri Mar  5 13:50:01 2021
>>>> Day #: 5
>>>> Month #: 3
>>>> Year #: 2021
>>>> Julian day (Vogelaar): 2459278.500000
>>>> Julian day number since March 1 200 (Fluks): 665112
>>>> First day month: 665108
>>>> Janssen day number since February 23 2021 (JD):  11
>>>>
>>>>
>>>> -- 
>>>> R.O./VENLO
>>>> http://www.patreon.com/otrokarel
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