d.ajd รข rational
Instance Public methods
Returns the astronomical Julian day number. This is a fractional number, which is not adjusted by the offset.
DateTime.new(2001,2,3,4,5,6,'+7').ajd #=> (11769328217/4800) DateTime.new(2001,2,2,14,5,6,'-7').ajd #=> (11769328217/4800)
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