Why do thai restaurants close at 3?

It's just to save money on operating costs. They are staying open for the busy lunch hours and then reopening for the busy dinner hours. If more people came in between 2-5PM or demonstrated a desire for it to be open, you'd probably see them all open during those hours. It's more cost effective however to just close.

The biggest days for many restaurants are Friday through Sunday. In the case of family-owned businesses, especially the ethnic restaurants, family members are ."13 answers" ·" Top answer: "My parents have owned several Thai restaurants in California (they own one right now) .