May 1939 lunar eclipse

A total lunar eclipse took place on Wednesday, May 3, 1939. A shallow total eclipse saw the Moon in relative darkness for 1 hour and 2 minutes. The Moon was 18% of its diameter into the Earth's umbral shadow, and should have been significantly darkened. The partial eclipse lasted for 3 hours and 27 minutes in total.

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 two solar eclipses of Solar Saros 137.