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instance method

Date#ajd

d.ajd → rational

static VALUE
d_lite_ajd(VALUE self)
{
    get_d1(self);
    return m_ajd(dat);
}

Returns the astronomical Julian day number. This is a fractional number, which is not adjusted by the offset.

Example

DateTime.new(2001,2,3,4,5,6,'+7').ajd     #=> (11769328217/4800)
DateTime.new(2001,2,2,14,5,6,'-7').ajd    #=> (11769328217/4800)

See also #>> #amjd #=== #asctime also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1