Mercury in Sagittarius Horoscopes – December 11, 2025

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Mercury’s transit through Sagittarius is a moment of mental explosion and liberation for us all, following the deep and suspicious silence of Scorpio. The planet of communication, Mercury, is in “detriment” in Sagittarius; meaning it dislikes details and focuses on the big picture. It can be tactless, yet equally visionary and optimistic.

The Arrow Leaves the Bow: Blunt and Unfiltered Communication

When Mercury enters Sagittarius, the strategic and mysterious veil over communication is lifted. Our minds expand to see beyond the horizon. During this period, our thoughts are fast and target-oriented like an arrow, but sometimes we may speak without calculating where that arrow will land. “What is on my mind is on my tongue” is the motto of this 20-day process. People will be more honest, more open, and sometimes uncomfortably direct with each other. Acting politically in social media, relationships, or business life may become difficult; however, this wave of honesty is a great opportunity to resolve issues that have been swept under the rug for a long time.

The Big Picture and Visionary Ideas

Details become tedious during this period. No one wants to read the fine print of contracts or deal with routine chores. Our minds become occupied with philosophy, beliefs, international affairs, academic goals, and travel plans. It becomes easier to look at life from a broader perspective and create hopeful scenarios for the future. It is one of the most productive times of the year to learn a new language, research foreign cultures, or have deep conversations about the meaning of life. Optimism peaks; our belief that every problem has a solution increases.

Pitfalls to Watch: Fanaticism and Disarray

The biggest risk when Mercury is in Sagittarius is falling into the “I know everything” trap. We may tend to impose our own truths on others (fanaticism). Additionally, we might start big projects with enthusiasm but quickly get bored when we see the details and drudgery involved. Keeping promises may become difficult because we might make promises in the heat of the moment that we cannot keep. In this process, learning to listen will be more valuable than speaking.