What does HDoO stand for?
HDoO stands for "Holy Day of Obligation"
How to abbreviate "Holy Day of Obligation"?
"Holy Day of Obligation" can be abbreviated as HDoO
What is the meaning of HDoO abbreviation?
The meaning of HDoO abbreviation is "Holy Day of Obligation"
What does HDoO mean?
HDoO as abbreviation means "Holy Day of Obligation"
