In Pokemon Pearl, what time is considered day, and what time is considered night?

Question

Well , you see im trying to evolve my eevee into an Umbreon but I don't know what time to level him up at.

Answer 1

Night time starts at 8:00 P.M. Level your Umbreon up after that and your good to go!

P.S. Morning is from 2:00 A.m. to 8:00 A.M., Afternoon is from 8:00 A.M. to 2:00 P.M., and Evening is from 2:00 P.M. to 8:00 P.M.