Equinox, Solstice, Perihelion and Aphelion tables for years 2000 to 2020
Equinoxes, Solstices, Perihelion, and Aphelion, 2000-2011
Obliquity , the tilt of the Earth's axis reaches a maximum each six months, and returns.
That creates the seasons, as the Earth revolves around the Sun once each year.
If the Earth's axis had no tilt, there would be no seasons at all.
The obliquity can vary by a few degrees, so an Earth angle of 23.4° sits near the middle of the range. It varies over 41,000 years.
2012 2013 events
- 2012 Calendar of Astronomical Events (Greenwich Mean Time)
This page contains a calendar of astronomical events (Moon phases, eclipses, occultations, planetary conjunctions, seasons, etc.) for the year 2012 (Greenwich Mean Time).
Click here for Apogee and Perigee of the Moon
- Lunar Perigee & Apogee 2004 - 2020: SAAO
Useful data: closest and furthest position of the Moon to the Earth each month.
Earth's Seasons dates 2000 to 2011. Click to enlarge.
Earth's Seasons: Equinoxes, Solstices, Perihelion, and Aphelion, 2011-2012
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