Note 482 — Chapter V · LUNAR SUPERSTITIONS AND FESTIVALS
Reading edition
F. H. Turpin, Histoire civile et naturelle du royaume de Siam, Paris, 1771, i, 45 sq. The “fourth day” of the moon must here be counted from the astronomical new moon. The uposatha in Siam, as in Ceylon and Burma, falls regularly on the eighth and fifteenth days of the waxing moon and on the eighth and fourteenth or fifteenth days of the waning moon.