lunar 33 ext/calendar/easter.c zend_long year, golden, solar, lunar, pfm, dom, tmp, easter, result; lunar 81 ext/calendar/easter.c lunar = (((year-1400) / 100) * 8) / 25; lunar 83 ext/calendar/easter.c pfm = (3 - (11*golden) + solar - lunar) % 30; /* uncorrected date of the Paschal full moon */