Ιουλιανή ημέρα: Διαφορά μεταξύ των αναθεωρήσεων
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Γραμμή 7:
== Εξωτερικοί σύνδεσμοι ==
* [https://web.archive.org/web/20111022051955/http://www.imcce.fr/en/grandpublic/temps/jour_julien.php Julian day calculation by IMCCE at Paris Observatory] ± Julian days with 16 significant digits (integer plus fraction)
* [http://www.nr.com/julian.html Julian Day and Civil Date calculator]
* [http://tycho.usno.navy.mil/mjd.html U.S. Naval Observatory Time Service article on Modified Julian Date]
Γραμμή 13:
* [http://books.google.com/books?id=TD0CAAAAYAAJ&pg=PA595 Outlines of Astronomy by John Herschel, 1849] Table of Julian days for remarkable eras
* [http://www.iers.org/nn_10910/IERS/EN/Science/Recommendations/resolutionB1.html?__nnn=true International Astronomical Union Resolution 1B: On the Use of Julian Dates]
* [https://web.archive.org/web/20050216102054/http://emr.cs.iit.edu/home/reingold/calendar-book/Calendrica.html Calendrica]
* [http://www.skyandtelescope.com/resources/software/3304911.html BASIC Programs from Sky & Telescope] with [http://media.skyandtelescope.com/binary/caljd.bas CALJD.BAS] and [http://media.skyandtelescope.com/binary/jdcal.bas JDCAL.BAS], very small [[BASIC]] programs to convert Julian Day numbers. published in the May 1984 issue.
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