[ncl-talk] day_of_year: illegal calendar = 'proleptic_gregorian' isleapyear: illegal calendar = 'proleptic_gregorian'

[Alan Brammer]

unless your dates extend back before 1582 I think you could just drop the
proleptic from the calendar attribute.

For a better answer though, if you're using 6.3. (which you probably should
be, as there are lots of updates to calendar functionality), you can use a
currently still undocumented feature in cd_convert.
e.g.  ( Will need to be adapted to work in your specific case.  )

 x = -5550000
 x at units = "hours since 1800-01-01 00:00:00"
 x at calendar = "proleptic_gregorian"

unitsTo = x at units                    ;; keep same time units
unitsTo at calendar = "gregorian" ;; change the calendar to "gregorian" aka
"standard"
x2 = cd_convert(x, unitsTo)  ; calendar now gregorian

cd_n = cd_calendar(x2, 2)


Alan.


On 1 May 2015 at 13:04, Xi Chang <xi.chang01 at gmail.com> wrote:

> Hallo,
>
> Could you please let me know how to get rid off this error:
>
> day_of_year: illegal calendar = 'proleptic_gregorian'
> isleapyear: illegal calendar = 'proleptic_gregorian'
>
> the errors came from:
>
>  *m = yyyymmdd_to_yyyyddd(cd_n) *
>
> any solution to use this function for proleptic gregorian calender?
>
> Thanks.
>
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