25 July 2011
The Moon moves into Gemini at 9:34 am (pacific daylight time).
Gemini is the Mutable Air sign. The glyph for Gemini represents the two Twins:

When the Moon is in Gemini, people start to communicate. A Gemini Moon for the beginning of the workweek makes it a good time for returning calls and emails and getting out and about in the world. The Moon in Gemini is great for small talk.