On 10 August Mercury enters Leo. What changes is how you speak and think, not how you feel: for a few weeks your mind stops filing down details and starts caring about how you land with people.

What is happening

Leo is fixed Fire, ruled by the Sun: not a flare that starts and dies out, but a steady flame that warms everything around it. With Mercury here you speak with more warmth and more conviction, and what you say tends to put you at the center, your idea, your point of view. That is not a flaw: it is the difference between a line of reasoning built to be shared and one built to be remembered.

The other side of it shows in the sign's dignities. Saturn and Uranus are in detriment in Leo, so these days you find it harder than usual to be cautious or detached when you talk: you say what you think with confidence, but you keep less track of timing and you underrate obstacles. Neptune is in fall, which means you tend to defend an idea as one final, closed block, instead of a starting point you can still correct along the way.

How to use it

Use this stretch for communication that needs presence: a pitch, a negotiation, a message meant to persuade and not just inform. Mercury in Leo gives you a tone that gets you heard, better than a more cautious sign would.

Where it pays to slow down is listening. When a conversation matters, speaking well is not enough, and these days the temptation is to close the discussion before you have heard the other side out. Before you treat an idea as settled, let someone else push back on it: if it holds, it comes out stronger; if it does not, better to find out before you are tied to it in public.

Where you feel it most

If your Sun, Moon, Ascendant or Mercury is in Leo, or in one of the other fixed signs (Taurus, Scorpio, Aquarius), you feel this transit directly: more confident when you speak, and more exposed if someone pushes back. For everyone else, what matters is the house of your birth chart this Mercury falls in: that is where you think and communicate with the most energy over these weeks, for better and at the risk of overdoing it.

Want to know which house it falls in and what that means for you specifically? Calculate your birth chart: all it takes is your date, time and place of birth.