Waning Crescent Sunday, May 1st, 1921
Waning Crescent Monday, May 2nd, 1921
Waning Crescent Tuesday, May 3rd, 1921
Waning Crescent Wednesday, May 4th, 1921
Waning Crescent Thursday, May 5th, 1921
Waning Crescent Friday, May 6th, 1921
New Moon Saturday, May 7th, 1921
Waning Crescent Sunday, May 8th, 1921
Waxing Crescent Monday, May 9th, 1921
Waxing Crescent Tuesday, May 10th, 1921
Waxing Crescent Wednesday, May 11th, 1921
Waxing Crescent Thursday, May 12th, 1921
Waxing Crescent Friday, May 13th, 1921
First Quarter Saturday, May 14th, 1921
First Quarter Sunday, May 15th, 1921
Waxing Gibbous Monday, May 16th, 1921
Waxing Gibbous Tuesday, May 17th, 1921
Waxing Gibbous Wednesday, May 18th, 1921
Waxing Gibbous Thursday, May 19th, 1921
Waxing Gibbous Friday, May 20th, 1921
Waxing Gibbous Saturday, May 21st, 1921
Full Moon Sunday, May 22nd, 1921
Waning Gibbous Monday, May 23rd, 1921
Waning Gibbous Tuesday, May 24th, 1921
Waning Gibbous Wednesday, May 25th, 1921
Waning Gibbous Thursday, May 26th, 1921
Waning Gibbous Friday, May 27th, 1921
Waning Gibbous Saturday, May 28th, 1921
Last Quarter Sunday, May 29th, 1921
Last Quarter Monday, May 30th, 1921
Waning Crescent Tuesday, May 31st, 1921