Moon Sign Calculator
Your Moon sign is your emotional nature: what you need to feel safe and how you feel everything. Calculated from the Moon's real position when you were born.
Timing windows, where you'll meet, who they are, and your love blocks, from your exact birth data. Free quiz, 60 seconds.
Start my free readingWhat your Moon sign means
Your Sun sign is who you are in daylight. Your Moon sign is who you are at 11 p.m. on a bad Tuesday: how you process feelings, what comforts you, what you do when hurt. In relationships it is the layer a partner actually lives with, which is why astrologers weigh Moon sign compatibility heavier than Sun signs for the long haul.
Why the time field exists
The Moon is the fastest mover in your chart, changing signs every two to three days. Most birthdays sit safely inside one sign and a date is enough. But if you were born on a switch day, the hour decides your Moon. Run the calculator without a time first, if your birthday was a switch day, it will tell you and show both candidates with the switch hour.
Moon sign vs. moon phase
Different things. The phase is the shape of the light, the sign is where the Moon stood in the zodiac. The viral moon phase soulmate test uses the phase; this calculator gives you the sign, the part with substance. You can check both, the phase calculator is here.