Example image of eyePlorer eyePlorer map for 'Solar time': Celestial sphere Sun Angle Hour angle Time Longitude Meridian (astronomy) Midnight Noon Sundial Apsis Circle Ellipse Kepler's laws of planetary motion Orbit Axial tilt Celestial equator Ecliptic Great circle Equinox Mean motion Solstice Tropical year Diurnal motion 1820 Second Equation of time Civil time Tidal acceleration 2nd millennium 2nd millennium BC Water clock 1st millennium BC Gnomon Babylonia Sidereal time Atomic clock Star clock Coordinated Universal Time Leap second Local mean time Standard time Anti-sidereal time Atlantic Standard Time Zone Central Time Zone (Americas) Chamorro Time Zone Hawaii-Aleutian Time Zone History of time in the United States Mountain Time Zone Newfoundland Standard Time Zone