Formal:
* Magandang araw po. (Good day, polite)
* Magandang hapon po. (Good afternoon, polite)
* Magandang gabi po. (Good evening, polite)
Informal:
* Hello. (English)
* Hi. (English)
* Kumusta ka? (How are you?)
* Uy! (Hey!)
Note: "Po" is a polite particle used when speaking to someone older or someone you respect.
You can also use "Manghang" (formal) or "Pare" (informal) as a greeting, but they are more commonly used among friends or in casual situations.