In the entire world, อาทิตย์อุทัย (Rising Sun 
, อาทิตย์อุทัย 
, Sunthudyon ) is a very rare unisex first name. The first name อาทิตย์อุทัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Much less frequently, อาทิตย์อุทัย is the last name as well as the forename.