| Sidereal day 23°56” Solar day 24°00” Lunar day 24°50” Apparent solar day 23°44”-24°14” |
| 21 June, Summer Solistice, longest day, Sun at 23° 30” North 22 December, winter Solistice, longest night, Sun at 23°30” South 21 March, Spring Equinox, Day =Night, Sun at Equator 22/23 September, Autumn Equinox, Day = Night, Sun at Equator 4 January, Perhillion, Earth closest to Sun 4 July, Aphellion, Earth farthest from Sun |
| Perigee and Apogee are considered when considering Sun’s orbit around the Earth. |
| Perigee – Sun closest to Earth |
| Apogee – Sun farthest from Earth |
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