Did you know the day of the week you were born can reveal aspects of your personality? If parts of your character don’t seem to match your zodiac sign, the weekday you arrived might help explain those differences.
Perhaps people born on the same weekday share more in common than they realize.
Not sure what day you were born? Use a reliable weekday calculator to find out your birth weekday.
Many of us learned the familiar nursery rhyme as children without considering its deeper meaning. The poem assigns a trait to each weekday:
“Monday’s child is fair of face,
Tuesday’s child is full of grace,
Wednesday’s child is full of woe,
Thursday’s child has far to go,
Friday’s child is loving and giving,
Saturday’s child works hard for a living,
But the child born on the Sabbath Day (Sunday), is fair and wise and good and gay.”
This poem reflects an older astrological idea: each day of the week is associated with a planetary ruler. That tradition goes back to ancient Babylon, where a seven-day cycle linked each day to one of the seven visible planetary bodies. Knowing which planet governs your birth weekday can give useful insight when you study your birth chart.
Monday
Monday is ruled by the Moon. People born on a Monday often feel things deeply and are sensitive to the moods and needs of others. Many Monday-borns are naturally empathetic and may display a nurturing, maternal quality similar to the Cancer archetype, which the Moon also rules.
They can be reserved, holding emotions in check until they feel safe to share them. Their inner life guides many decisions, even when they appear calm on the surface. These individuals may also be prone to nervousness and will typically act as peacemakers when conflicts arise.
Suggested Crystals: Moonstone or Selenite
Ruling Planet: The Moon
Associated Sign: Cancer
Tuesday
Tuesday is governed by Mars, the planet of energy, drive, and action. Tuesday-born people usually have abundant vitality, strong willpower, and courage. They tend to be decisive initiators, often impatient but willing to take risks and lead.
Traits common to Mars-ruled signs like Aries and Scorpio—determination, boldness, and a pioneering spirit—often appear in those born on Tuesday. They thrive on challenges and are constantly moving toward new goals.
Suggested Crystals: Carnelian or Rhodochrosite
Ruling Planet: Mars
Associated Signs: Aries & Scorpio
Wednesday
Wednesday corresponds to Mercury, the planet of communication, intellect, and travel. Wednesday-borns are typically quick-witted, curious, and eager to learn. They enjoy conversation, debate, and exchanging ideas.
Like Mercury-ruled Gemini and Virgo, these individuals often possess an agile mind and a love of study. They may worry or overanalyze at times, and they frequently find energy in short trips, daily interactions, and continual learning.
Suggested Crystals: Smoky Quartz or Jade
Ruling Planet: Mercury
Associated Signs: Gemini & Virgo
Thursday
Thursday is associated with Jupiter, the planet of expansion, luck, and generosity. Thursday-borns are often optimistic, broad-minded, and inclined to trust life’s process. They may enjoy travel, philosophy, and pursuits that expand their horizons.
Resonating with Jupiter-ruled Sagittarius and the spiritual, receptive qualities sometimes linked to Pisces, these people can appear fortunate in many areas of life. They tend to embrace growth and opportunity and often encourage others to dream big.
Suggested Crystals: Malachite or Celestite
Ruling Planet: Jupiter
Associated Signs: Sagittarius & Pisces
Friday
Friday answers to Venus, the planet of love, beauty, and harmony. Friday-born people usually value relationships, aesthetics, and emotional connection. They often have a strong sense of style, creativity, and a desire for balance in partnerships.
Like Venus-ruled Taurus and Libra, these individuals are drawn to pleasure, art, and closeness. Examining where Venus sits in your birth chart can provide additional clues about how you express affection and what you seek in relationships.
Suggested Crystals: Rose Quartz or Garnet
Ruling Planet: Venus
Associated Signs: Taurus & Libra
Saturday
Saturday is ruled by Saturn, the planet of responsibility, discipline, and structure. Saturday-borns are typically hardworking, reliable, and practical. They often carry a strong sense of duty and are willing to put in the effort required to reach long-term goals.
Saturn’s influence relates to the grounded, ambitious nature of Capricorn and the inventive, reform-minded qualities of Aquarius. Those born on a Saturday may struggle to relax at times and could benefit from consciously creating space for rest and enjoyment.
Suggested Crystals: Onyx or Hematite
Ruling Planet: Saturn
Associated Signs: Capricorn & Aquarius
Sunday
Sunday is associated with the Sun. While the Sun is technically a luminary rather than a planet, its symbolic influence is central in astrology. Sunday-born people often radiate warmth, confidence, and generosity. They can be charismatic, upbeat, and drawn to leadership or self-expression.
These qualities align with Sun-ruled Leo: a love of creativity, enjoyment of life, and a tendency to brighten the atmosphere around them. Sunday-borns commonly carry a sunny disposition and a natural ability to uplift others.
Suggested Crystals: Orange Calcite or Leopard Skin Jasper
Ruling Planet: The Sun
Associated Sign: Leo
Open Your Calendars
While the weekday you were born on is just one piece of the larger astrological puzzle, it can provide helpful nuance when you study your birth chart. Discovering your birth weekday often prompts an “aha” moment that clarifies recurring patterns or strengths in your life.
For example, recognizing a strong Saturn influence might explain a tendency to work very hard, while a Moon-born sensitivity could clarify emotional responsiveness. Use this information alongside your full chart to better understand how planetary energies influence your personality and life path.
So check your calendar: what day of the week were you born on, and how does that planet show up in your chart?
* Editor’s note: This article was previously published October 1st, 2013 and has been updated for astrological accuracy.