How to unlock Beach (Night)?

Question

I can’t figure it out :( I’m already level 3 in day

Answer 1

To gain access to the Night version of Blushing Beach in New Pokemon Snap, you’ll need to reach level 2 in Shiver Snowfields (Night).

Do this, and you should unlock it.
Source: https://twinfinite.net/2021/05/new-pokemon-snap-unlock-blushing-beach-night/