The 13-Moon calendar
Your Soul Birthday.
Thirteen moons of twenty-eight days - fifty-two perfect weeks - and one Day Out of Time. The natural-time calendar gives your birth a second coordinate: calm, rhythmic, repeating. Enter your birth date to find it.
Soul Birthday
Born on a leap day - Feb 29 shares Feb 28's place in natural time, the one date with a twin.
A symbolic natural-time reading - 13 moons of 28 days - offered for reflection, not prediction. The astronomical lunar month averages ~29.5 days; this is a rhythm, not an ephemeris.