What is bom dia?

Here's some information about "Bom dia":

"Bom dia" is a Portuguese greeting that directly translates to "good day". It is a common way to say "hello" or "good morning" in Portuguese-speaking countries like Brazil and Portugal. The phrase is generally used from sunrise to noon. After noon, people typically switch to "Boa tarde" (good afternoon), and in the evening, they use "Boa noite" (good evening/good night). Using "Bom dia" is considered polite and respectful when initiating conversations or encountering someone during the morning hours.