According to NASA, an Old English name for the May full moon is the milk moon. In 703 AD, the English monk St. Bede the Venerable wrote that May was known as the "Three-Milkings Month," likely because cows could be milked three times a day during this fertile time of year.

This month's first quarter moon will be in Leo, signaling a time of action and decision-making, as you are called to take the lead in a specific area of life. Discover what this means for your zodiac sign,