Saros cycle

The Saros cycle is an eclipse cycle of about 18 years 11 days 8 hours (about 6585⅓ days). A solar eclipse 18 years past will be similar with one 18 years in the future. This is because the Earth, Moon and Sun return to almost the same positions they were at 18 years ago. The first predictions of a solar eclipse using the Saros were made by Ancient Greek philosophers.

Saros Cycle Media

Antikythera Mechanism Saros cycle for the prediction of eclipses ΣΚΓ′, in the red rectangle, and means 223 months. Written between 150 and 100 BCE
Visualization of a period of one saros cycle in 3D.
Lunar eclipse chart close-1950Apr02
Lunar eclipse chart close-2022may16
Lunar eclipse chart close-2076Jun17

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