How do you say good evening in farsi?

There are a few ways to say "good evening" in Farsi, depending on the level of formality you want to use:

Formal:

* شب بخیر (Shab bekheir): This is the most common and polite way to say good evening, similar to "good night" in English. It's appropriate for almost any situation.

Informal:

* شبتون بخیر (Shabeton bekheir): This is a more informal and friendly way to say good evening, similar to "good evening" in English. It's appropriate for friends and family.

Other options:

* عصر بخیر (Asr bekheir): This literally means "good afternoon" but can be used in the evening as well, especially in more formal situations.

* شب خوش (Shab khoosh): This is another way to say good evening, but it's slightly less common than "شب بخیر."

Remember that the choice of phrase depends on the context and your relationship with the person you are talking to.