How to switch from a daily view to a night view in Photoshop

This tutorial show a very quick way to trasform a daily view in a night view with Photoshop…
The way is very simple:

step1) open the daily picture with photoshop

step2) create a rectangle of a deep blue color

step3) use hard light filter in blending options (applied to the rectangle layer)

step4) change a little bit the color of the filter and the opacity level of it to get the best result