method

jd_to_ordinal

v1_8_6_287 - Show latest stable - Class: Date

jd_to_ordinal(jd, sg=GREGORIAN)

public

Convert a Julian Day Number to an Ordinal <a href="/ruby/Date">Date</a>.

jd is the Julian Day Number to convert. sg specifies the Day of Calendar Reform.

Returns the corresponding Ordinal <a href="/ruby/Date">Date</a> as [year, day_of_year]

# File lib/date.rb, line 372
  def self.jd_to_ordinal(jd, sg=GREGORIAN)
    y = jd_to_civil(jd, sg)[0]
    doy = jd - civil_to_jd(y - 1, 12, 31, fix_style(jd, sg))
    return y, doy
  end

jd_to_ordinal

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