The Bull · April 20 – May 20
May 20 Zodiac Sign
Born on May 20, you're usually a Taurus, on the Taurus–Gemini cusp — steady, sensual and loyal — the zodiac's most grounded builder.
Zodiac sign
Element · Modality
Earth · Fixed
Decan (third)
Saturn-ruled
Birthstone
Emerald
Birth flower
Lily of the valley
Season position
Day 31 of 31
What astrology says about a May 20 birthday
May 20 is day 31 of Taurus season, so astrologers link it with the sign's core character: grounded, reliable, sensual, patient. Traits astrologers commonly associate with Taurus include patient, calm presence under pressure; strong appreciation for beauty and comfort; practical with money and resources.
A commonly cited growth area for Taurus: holding on to grudges quietly. For the full picture of the sign, read the Taurus guide.
3rd decan of Taurus: Saturn
Each sign is divided into three decans, 10° slices that the Sun crosses in about ten days each. May 20 falls in the third decan of Taurus (about May 10–20), which the traditional Chaldean system assigns to Saturn. Astrologers say that adds discipline, patience and a serious streak.
Saturn brings structure and a long view. People from this decan often mature early and are willing to work slowly toward something that lasts.
A Taurus–Gemini cusp birthday
May 20 is the last day of Taurus season, right beside Gemini. It is often said that people born this close to a boundary show traits of both signs: Gemini's curious and witty alongside Taurus's grounded and reliable.
Astrology doesn't recognise a blended sign, and the exact moment the Sun changes signs shifts from year to year. Only a chart calculated from your birth year, time and place can confirm which side of the line you were born on.
The number 20 in numerology
The 20 is a number of sensitivity and cooperation. A 20th-of-the-month birthday is associated with tact, intuition and a gift for bringing people together.
Numerology is a separate tradition from astrology and is offered here for interest.
May birthstone and flower
The modern birthstone for May is Emerald and the commonly listed birth flower is the lily of the valley. May falls in late spring in the north and late autumn in the south.
Taurus love and compatibility
Taurus falls in love slowly and stays in love for a long time. Romance is expressed through the senses and through actions: cooking a favourite meal, remembering small preferences, creating a home that feels safe.
Astrology is a symbolic tradition, not a science, and interpretations vary between astrologers. This page is for reflection and entertainment, not prediction or advice.
Beyond your May 20 Sun sign
Your Taurus Sun is one planet. Your Moon, Rising sign and the exact Saturn-ruled decan details live in your full natal chart. Get yours free on Skygram.
Get my free birth chartMay 20 birthday FAQ
What zodiac sign is May 20?
May 20 falls in Taurus, which runs from April 20 to May 20 in the tropical zodiac. The Sun changes sign at a slightly different moment each year, so the boundary can fall a day or so either side of these dates. If you were born close to the edge, your birth year, time and place decide it.
Is May 20 a cusp birthday?
Yes. May 20 sits within a day or two of the Taurus–Gemini boundary, and it is often said that people born this close to a boundary show traits of both signs. Astrologers still assign the Sun to one sign, and only a birth chart calculated from your birth year, time and place shows which.
Which decan is May 20?
May 20 is in the third decan of Taurus (May 10–20). In the traditional Chaldean system this decan is ruled by Saturn, which astrologers say adds its own flavour to Taurus. Some modern astrologers assign decan rulers by element instead, which gives different planets, and decans are strictly 10° slices of the zodiac, so the date range is approximate.
What are the birthstone and flower for May?
The modern birthstone for May is Emerald and the birth flower is the lily of the valley. These come from calendar tradition rather than astrology, and the lists vary by country and source.