How you take action
You act with conviction. Once you believe in something, you go after it openly and proudly, and other people often follow your lead. Fixed fire gives you steady warmth rather than a short flare: you can keep your enthusiasm alive for a long time when the goal means something to you. You like to do things in a way that has some style.
Ambition and work
You want your work to be recognized and to reflect who you are. Astrologers link Mars in Leo with leadership, performance, creative work and any role where you can shine and inspire others. You do best when you feel proud of what you are doing. Being overlooked can sap your motivation faster than being overworked.
Anger and conflict
Your anger often comes from wounded pride. You can flare up dramatically when you feel disrespected or ignored, and you may find it hard to back down in public. Once you feel heard, though, you are usually generous and quick to forgive. Separating your dignity from the need to win the argument makes conflicts shorter and kinder.
Desire and attraction
You approach desire with warmth, playfulness and some theater. Astrologers say Mars in Leo enjoys romance in the grand style: gestures, attention and being openly admired. You are drawn to people who are confident and expressive, and you want a partner who appreciates you out loud and lets you feel special.
Physical energy
Your energy is strong and steady when you enjoy what you are doing. Traditionally this placement is linked with activities that have an element of play or performance: dance, team sports, anything you can do with an audience or a sense of fun. Astrologers associate Leo with the heart and spine, and you may notice that confidence shows in your posture.
Challenges
Pride is the main hurdle. You may take criticism personally, need more recognition than the situation can give, or push to be in charge when sharing the lead would work better. Fixed fire can also make you stubborn about your plans. Learning to act generously even when nobody is watching gives your courage a deeper root.
How long Mars stays in Leo
Mars takes about 687 days to orbit the Sun, so seen from Earth it comes back to Leo roughly every 1.9 years. Between 1960 and 2040 it passes through Leo 43 times. A typical passage lasts 49 days, and the shortest 47 days. The longest, from Oct 11, 1962 to Jun 3, 1963, adds up to 234 days in Leo, because Mars turned retrograde in or near the sign. In this period, 7 passages last more than 100 days. Everyone born during the same passage shares a Mars in Leo, so the house and aspects of Mars in your own chart add the personal detail.