Today marks the start of the pre-shadow phase for the last Mercury retrograde of the year. The buildup is the pre-shadow phase. Some indications and signals may be visible to you, which might help you anticipate what is ahead in the upcoming weeks. This is a time of transformation, so pay attention to what happens. In fact, you might be able to avoid some of the possible Mercury retrograde problems. Aries: Lavender, 58, 263, 489. Taurus: Teal, 107, 324, 552. Gemini: Marigold, 41, 182, 537. Cancer: Olive, 93, 307, 415. Leo: Indigo, 66, 239, 573. Virgo: Amber, 132, 275, 446. Libra: Coral, 84, 312, 499. Scorpio: Mint, 49, 198, 521. Sagittarius: Sapphire, 123, 361, 459. Capricorn: Emerald, 72, 287, 566. Aquarius: Magenta, 98, 213, 435. Pisces: Periwinkle, 59, 278, 591.