How to Change Day into Night in Pictures Using Photoshop

#step 1
open file

#step 2
Duplicate Layer
*Layer > Duplicate Layer

#step 3
rename the new layer
*bridge2

#step 4
on the second layer (bridge2).. click Image > Adjustment > Desaturate or you can play the shortcut (CTRL+SHIFT+U)
now.. you are seeing the new color (black and white) but it's not night color

#step 5
Curves Application
click Image > Adjustment > Curves to change light direction
*raise the position of curves to give more light effect on the picture.. this will make certain parts become brighter
*otherwise.. lowering the position of curves.. it will make certain parts become darker

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Interlace Trick at Adobe Photoshop

#step 1

open object | new layer | new image 1x1pxl (trans) | fill | image | canvas size | new size 1x2 | ctrl+a | edit | define patern 

#step 2

return to object | edit | fill | content | use | patern mode | multiply | set opacity layer