One Buddha – Many Birthdays

It may be the birthday of Siddhartha Gautama, (if you’re reading this in Japan and I’m sure I have many readers there) ACME would like to wish you Namo Amituofo –

Otherwise, just calculate the first full moon day of the sixth month of the Buddhist lunar calendar, which would be the fourth month of the Chinese calendar, except in years in which there’s an extra full moon, and then Buddha’s birthday falls in the seventh month. Well, except where it starts a week earlier.

And in Tibet it’s usually a month later.

And so it goes