Start date May 4, 1966 | ||
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Other Instances April 2099 lunar eclipse | ||
A penumbral lunar eclipse took place on May 4, 1966.
Metonic series
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the earth's shadow will in nearly the same location relative to the background stars.
References
May 1966 lunar eclipse Wikipedia(Text) CC BY-SA