Informal:
* "Hiya" - This is the most common informal greeting, pronounced "hee-ya".
* "Hello" - This is also used, but less common than "Hiya".
* "How do you do?" - This is a more formal version of "How are you?"
Formal:
* "Good morning/afternoon/evening" - These are the most common formal greetings.
* "Good day" - This is a more traditional greeting, used less commonly now.
In addition to these greetings, you might also hear:
* "Alright?" - This is a very common way to greet someone, similar to "How are you?"
* "How's it going?" - Another common, informal greeting.
* "Aye" - This can be used as a greeting, especially among friends, but it's not as common as the others.
Ultimately, the best way to greet someone in Scotland is to observe what others are doing and adapt your greeting accordingly.