Convert Right Ascension/Declination <==> Azimuth/Elevation Local Date January February March April May June July August September October November December , Local Time : : Time Zone Offset (hh) east   west of Greenwich Daylight Savings Time (hh) subtract   add to time zone Latitude (dd mm ss) °  '  "  north   south Longitude (dd mm ss) °  '  "  east   west Local Sideral Time (HH:MM:SS) Epoch Year (yyyy) Right Ascension (dd mm ss) °  '  "  °  Declination (dd mm ss) °  '  "  °  Elevation (dd mm ss) °  '  "  °  Azimuth (dd mm ss) °  '  "  °