Convert given date to Julian date

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C#

hi,

how to convert given date to julian date

mm:DD:YYYY

string sGivenDate = "07302010";

Thanks
Chaegie

Posted 5-Jul-10 23:23pm

Chaegie

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**Dalek Dave** · Answer 1 · 2010-07-06T00:39:00

You really mean Julian Dates???

You want to convert a US Date format into the Julian Calendar?

(Remembering that Julian Dates were always dd/mm/yy as the US didn't exists back then)

Firstly, ask which country you need it to be supplied for, for the Julian calendar was subject to regional variations.
eg it was dropped firstly in the Vatican on 24th February 1582, but Spain and Portugal kept it until 4th October that year.
Denmark and Norway kept it until 1st March 1700, and the UK did not get rid of it until 2nd September 1752, causing riots as people thought they had lost 11 days!

Any way, once you have worked out which country, take the date and drop 11 days off it,(ensuring the result is still within the Julian Era for that country, if it is Gregorian, do not take the 11 days off) and convert from MM/DD/YY to DD/MM/YY and you will have the Julian Calendar.

It is a REALLY hard job you are doing there.

I think in all the adoption of Gregorian Calendar from Julian took nearly 200 years and there were over 50 adoption dates and reversals.

Henry Minute · Answer 2 · 2010-07-06T00:50:00

Solution 2

If you google/bing/yahoo for c# convert date to julian date you will find lots and lots of useful links. Most of them have code.

Posted 6-Jul-10 0:50am

Henry Minute

Estys · Answer 3 · 2010-07-06T00:54:00

Solution 3

Which date do you want : http://en.wikipedia.org/wiki/Julian_day[^]
Anyway, it should be straightforward to calculate it.

Posted 6-Jul-10 0:54am

Estys