It is during the Sun's first full day in Aquarius that the Moon leaves today, with the timing both a short and a long term advantage. In the short term, this is giving you a chance to move into your birthday month and new solar year emotionally and intuitively engaged and aware from the start and with Venus having returned over the weekend, with heart and gut on the same page. Mercury's return today is also a chance to get your head in the game. Long term, having the Moon here when the Sun returned means it will have time to come full circle before your birthday month ends, this time as a New Moon.