May 1
Yom Ha'atzmaut (Israeli Independence Day) ends at sunset
Beltane
Mercury Retrograde Shadow Period ends
International Worker’s Day, May Day, Walpurgisnacht

May 4
Pluto Retrogrades at 3° Aquarius

May 5
Cinco De Mayo

May 10
Mercury moves into Taurus

May 11
Mother’s Day; Mexican Mother’s Day

May 12
Lunar Beltane
Full Moon in Scorpio (also known as the Flower, Milk Moon, Dyad Moon, Dragon Moon, and Corn Planting Moon)

May 17
Armed Forces Day

May 20
Sun moves into Gemini

May 24
Saturn moves into Aries

May 25
Mercury moves into Gemini
Yom Yerushalyim begins at sunset

May 26
New Moon in Gemini
Yom Yerushalyim ends at sunset
Memorial Day