Today’s Birthday (12/21/18). Teamwork produces big results this year. Back up willpower with action and energy to win. Take charge this winter, and provide support through shared financial changes. A collaboration blossoms next summer, before a personal challenge shifts your attention. Together, you can work miracles.

To get the advantage, check the day’s rating: 10 is the easiest day, 0 the most challenging.

Aries (March 21-April 19) — Today is an 8 — Articulate visions for the future this Winter Solstice. Over the next four weeks, with the Sun in Capricorn, advance your career and assume more responsibility.

Taurus (April 20-May 20) — Today is a 7 — Take profitable actions. Get into an expansion phase this month, with the Sun in Capricorn. Studies and travels present new ideas and experiences. Set your itinerary.

Gemini (May 21-June 20) — Today is a 9 — This month favors your shared finances, with the Sun in Capricorn. Fine-tune your budget. Sign on the dotted line. Ask for more, and get it.

Cancer (June 21-July 22) — Today is a 7 — Plan your next moves. Enter a four-week partnership phase, with the Sun in Capricorn. Collaborate, negotiate and compromise for shared gain. Support another’s dream.

Leo (July 23-Aug. 22) — Today is an 8 — Friends help you make an important connection. You’re entering a busy month, with the Sun in Capricorn. Grow your physical health, fitness and vitality.

Virgo (Aug. 23-Sept. 22) — Today is an 8 — Your work is getting attention. The next month gets fun under the Capricorn Sun. Share your affections with someone special. A romance heats up.

Libra (Sept. 23-Oct. 22) — Today is a 7 — Research your options. The next month is good for domestic renovation and interior decoration. Get into a homebody phase, with the Sun in Capricorn.

Scorpio (Oct. 23-Nov. 21) — Today is an 8 — Collaborate for shared profits. With the Sun in Capricorn, your communications are especially effective. You learn quickly this month. Study a fascinating possibility.

Sagittarius (Nov. 22-Dec. 21) — Today is a 9 — You and a partner connect on a deeper level. The next month, with the Sun in Capricorn, favors making money. Bring home extra bacon.

Capricorn (Dec. 22-Jan. 19) — Today is a 9 — Your exercise routines strengthen you. You’re in charge this month. You have an extra advantage, with the Sun in your sign. Take ambitious steps confidently.

Aquarius (Jan. 20-Feb. 18) — Today is a 7 — Relax; enjoy finer things, like love and laughter. Make long-term plans this month. Enjoy peaceful solitude. Contemplate perfection, with the Sun in Capricorn.

Pisces (Feb. 19-March 20) — Today is a 7 — Invite your posse to your place. Begin a four-week socially active phase. Your team is especially hot under the Capricorn Sun. Friends brighten your heart.