An annular solar eclipse occurred at the Moon's descending node of orbit on Sunday, April 7, 1940,[1] with a magnitude of 0.9394.

Occurring about 2.4 days after apogee (on April 5, 1940, at 10:00 UTC), the Moon's apparent diameter was smaller.

[2] Annularity was visible from Gilbert and Ellice Islands (the part now belonging to Kiribati), Mexico and Texas, Louisiana, Mississippi, Alabama, Georgia, Florida, and South Carolina in the United States.

This eclipse is a part of Saros series 128, repeating every 18 years, 11 days, and containing 73 events.

[5] The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles.

Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee).