What does Sun in the 10th house mean?
The 10th house is traditionally associated with career, reputation, public responsibility and direction. With the Sun here, astrologers often emphasize the need to develop an identity that can stand in public and take responsibility for visible choices.
How can this placement express itself?
Ambition, leadership or the desire to make a recognizable contribution can be strong themes. The most useful reading asks what kind of responsibility feels worth carrying, not simply how to gain status.
What should you watch for?
Achievement can become a substitute for self-worth, or reputation can crowd out private needs. The placement does not guarantee fame or career success.
A useful reflection question
What would I want to be known for if prestige and other people's approval were removed?
Why birth time matters
House placement depends on the birth time, place and house system. If your birth time is uncertain, your Sun house can change even though your Sun sign stays the same. Compare charts using the same settings and keep uncertainty visible.