ruby-ephemeris

https://github.com/isene/ephemeris

This ruby class let you get important data (ra, dec, distance as well as rise, transit and set times) for the Sun, the Moon and all major planets for a given date and location. You can also print out a table with all the data in one fell swoop. Check out the Github page for detailed information on how to use this Ruby class: https://github.com/isene/ephemeris