Night=1:00-4:00am
Day -4:01am-12:00pm
In the Ilex Forest at night.
yes
Get a life and stop playing Pokemon at 11:20 at night.
To get Gastly you have to go to sprout tower at night.
In the Kanto region go on route 7 (night only)
unlocks night skys edge on the pokewalker
You can find Haunter in SoulSilver in Route 8 at night. Additionally you can catch a Gastly at night in the Sprout Tower or the Bell Tower and then you can train it until Level 25 which is when it'll evolve into a Haunter.
You get Sneasle in MT.Silver then just level it up once holding the sharp claw at night.
you cant u need to catch a ghastly in the sprout tower and evolve it. it is in there at night only.
i guess u could find it in the grass at night at cherrygrove city or at night below violet city! :D good luck catching one they r hard to find! from, Pokemon master123
Give it items like iron and zinc to raise its friedliness.Then train it at night time.
yes you can catch one at night in the first 3 route of the game i just bumped into one