Sun conjunct Sun transit is considered the most important of transits, it’s your birthday after all. Solar return charts are an important predictive tool in astrology and they are based on this date to give clues about the year ahead. So this transits is about a new start for the year ahead, for new beginnings.
A time for your personal new year’s resolutions. The Sun is life’s energy source so you can expect an energy boost and increased vitality. Individuality and expression of that come easier because you are in focus. The extra energy is put to best use by expressing what you want, and your goals, and getting the ball rolling.
This interpretation for Sun conjunct Sun transit can also be read for a Solar Eclipse and New Moon conjunct Sun.