December 17 is day 351 of the year (352 in a leap year). The Sun is then roughly 26° into Sagittarius, 5 days before it moves into Capricorn, which places your birthday in the third of the sign’s three decans.
Sagittarius, third decan
Sagittarius closes with a decan colored by Leo, whose radiant creativity warms Jupiter’s optimism. You are Sagittarius with a performer’s warmth. You tend to light up rooms with storytelling, humor, and generosity. Creativity and self-expression feel essential to you. Your optimism inspires others, and you enjoy sharing your discoveries widely. Pride may surface when you feel unappreciated, yet your big heart and joyful spirit make you a beloved presence wherever you roam.
Born on the 17th: birthday number 17
Born on the 17th, you combine the initiative of one with the inner depth of seven, adding up to eight, the number of achievement. You tend to think strategically, often seeing several moves ahead. Ambition comes paired with integrity; you want success that you can be proud of. You may appear reserved, but your confidence runs deep. The growth edge is softening your self-reliance enough to delegate and to accept help without feeling it as weakness.
1 + 7 = 8: The Achiever. The 8 root adds ambition, stamina and a feel for how power works to your life path. That path itself is calculated from your full birth date, every digit summed and reduced. This executive energy then has to fit with whatever larger lesson the final digit describes. Calculate your life path number.
Your birth tarot cards
Temperance, the card of Sagittarius. It belongs to the archer, who aims at distant goals. The card’s angel blending waters suggests the sign’s search for meaning, its optimism and the art of combining experiences into wisdom.
Ten of Wands, the card of your decan (Saturn in Sagittarius in the Golden Dawn system). Put down at least one load that isn't yours to carry.
The Star, the card of your day number. After the storm of the card before it comes this calm, clear night of renewal. Hope, inspiration and a healing presence belong to it, along with the patience to keep believing. Let yourself hope again, then take one gentle step toward what you want.
The card of your whole birth date, year included, comes from the tarot birth card calculator.
Strengths and challenges
Strengths: creative storytelling, warm generosity, strategic thinking, integrity, curiosity. Growth edges: craving for applause and reluctance to ask for help.
Love and compatibility
Romance for you is celebratory and generous. You love grand gestures and a partner who enjoys life as fully as you do. Mutual admiration and shared adventures keep your relationship vibrant and joyful.
Serious about love, you look for a partner with substance and shared ambitions. You may be slow to commit, but steady once you do. Show your warm side more often; your partner may not see it otherwise.
Signs that often click with Sagittarius: Aries, Leo, Libra, Aquarius. Compare any two signs.
Career and purpose
Entertainment, teaching, publishing, event planning, marketing, and travel media all give your creativity a visible outlet. Audiences tend to lean in when you speak. Let your creativity shine, and balance self-expression with collaborative listening.
A strategic mind like yours fits finance, management, research leadership, consulting, or entrepreneurship. You handle responsibility well and earn trust by getting quiet, measurable results. Long-term planning, the five-year kind, is one of your strongest skills.
Born in December
December arrives with twinkling lights, the darkest evenings of the year and a calendar packed with holidays and gatherings. Its birthdays share that generosity and the promise that light returns. Turquoise, tanzanite and zircon gleam in wintry blues, while narcissus blooms indoors and holly brightens doorways with glossy green and red. Birthstone: turquoise, tanzanite and zircon. Birth flower: narcissus and holly.
Affirmation for December 17
I build success with integrity and accept support.
Frequently asked questions
What zodiac sign is December 17?
Sagittarius, third decan.
What is the tarot card for a December 17 birthday?
Temperance for Sagittarius, the Ten of Wands for the decan, and The Star for the day number 17.
What is the birthstone for December 17?
Turquoise, tanzanite and zircon, with narcissus and holly as the birth flower.