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Globally, 日安 (Rian , 日安 ) is a widespread unisex first name. The first name 日安 is habitual in Indonesia, where it is quite a common predominantly masculine, but very infrequently feminine name, Brazil, where it is quite a common mostly feminine, but seldom male name, and Brunei, where it is quite a rare masculine name. Not in comparison with a country's population, it most frequently occurs in Indonesia, Brazil, and Philippines. Very seldom, 日安 is the last name as well as the forename.
日安 is also a name for the fictitious and mythical characters: Rian , the character from 2000 film 'The Color of Friendship'.