On 9/13/2011 8:52 PM, Reid Thompson wrote: > On 9/13/2011 6:52 PM, Joe Collins wrote: >> I am running ruby 1.8.7 under windows xp, if that matters >> I want to be able to get number of days between dates and >> also convert to/from julian day numbers >> >> thanks in advance >> >> Joe >> > google > http://www.techotopia.com/index.php/Working_with_Dates_and_Times_in_Ruby > http://stackoverflow.com/questions/5095456/using-the-ruby-date-class-for-astronomical-data