Jelaskan Lihat juga dari Hari Julian

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"CS 1063 Introduction to Programming: Explanation of Julian Day Number Calculation."  (2011). Computer Science Department, University of Texas at San Antonio.

Dershowitz, N. & Reingold, E. M. (2008). Calendrical Calculations  3rd ed. Cambridge University Press. ISBN 978-0-521-70238-6.

Digital Equipment Corporation. Why is Wednesday, November 17, 1858, the base time for VAX/VMS?  Modified Julian Day explanation

Edwards, B B, Smith, John Pye and ben Uziel, Jonathan, The Popular Bible Educator, Vol. 1, Biblical Chronology. Explanation of Technicalities. John Cassell, London 1853.

Furness, C. E. (1915). An introduction to the study of variable stars. Boston: Houghton-Mifflin. Vassar Semi-Centennial Series.

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Information Bulletin No. 81 . (January 1998). International Astronomical Union.

Julian Date Converter  (March 20, 2013). US Naval Observatory. Retrieved September 16, 2013.

Kempler, Steve. (2011). Day of Year Calendar . Goddard Earth Sciences Data and Information Services Center.

McCarthy, D. & Guinot, B. (2013). Time. In S. E. Urban & P. K. Seidelmann, eds. Explanatory Supplement to the Astronomical Almanac, 3rd ed. (pp. 76–104). Mill Valley, Calif.: University Science Books. ISBN 978-1-891389-85-6

Meeus Jean. Astronomical Algorithms (1998), 2nd ed, ISBN 0-943396-61-1

Moyer, Gordon. (April 1981). "The Origin of the Julian Day System," Sky and Telescope 61 311−313.

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Ohms, B. G. (1986). Computer processing of dates outside the twentieth century . IBM Systems Journal 25, 244–251. doi:10.1147/sj.252.0244

Ransom, D. H. Jr. (c. 1988) ASTROCLK Astronomical Clock and Celestial Tracking Program pages 69–143 , "Dates and the Gregorian calendar" pages 106–111. Retrieved September 10, 2009.

"Resolution B1" . (1997). XXIIIrd General Assembly (Kyoto, Japan). International Astronomical Union, p. 7.

Richards, E. G. (2013). Calendars. In S. E. Urban & P. K. Seidelmann, eds. Explanatory Supplement to the Astronomical Almanac, 3rd ed. (pp. 585–624). Mill Valley, Calif.: University Science Books. ISBN 978-1-891389-85-6

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Seidelmann, P. Kenneth (ed.) (1992). Explanatory Supplement to the Astronomical Almanac pages 55 & 603–606. University Science Books, ISBN 0-935702-68-7.

Seidelmann, P. Kenneth. (2013). "Introduction to Positional Astronomy" in Sean Urban and P. Kenneth Seidelmann (eds.) Explanatory supplement to the Astronomical Almanac''' (3rd ed.) pp. 1–44. Mill Valley, CA: University Science Books. ISBN 978-1-891389-85-6

"SOFA Time Scale and Calendar Tools ". (2016 June 14). International Astronomical Union.

Strous, L. (2007) [http://aa.quae.nl/en/reken/juliaansedag.html Astronomy Answers: Julian Day Number.]  Astronomical Institute / Utrecht University.

Tøndering, Claus. (2014). "The Julian Period"  in Frequently Asked Questions about Calendars. author.

US Naval Observatory. (2005, last updated July 2, 2011). Multiyear Interactive Computer Almanac 1800–2050 (ver. 2.2.2). Richmond VA: Willmann-Bell, ISBN 0-943396-84-0.

Winkler, M. R. (n. d.). "Modified Julian Date" . US Naval Observatory. Retrieved April 24, 2015.