May 1937 lunar eclipse

A penumbral lunar eclipse took place on Tuesday, May 25, 1937, the first of two lunar eclipses in 1937.

Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to one total and one partial = two solar eclipses of Solar Saros 117.