You asked:

8pm est in europe

  • 8:00 p.m. at Eastern Standard Time is the same as 3:00 a.m. Central European Summer Time, 2:00 a.m. British Summer Time and 4:00 a.m. Eastern European Summer Time in Europe.
  • 3:00 a.m. Central European Summer Time

  • 2:00 a.m. British Summer Time

  • 4:00 a.m. Eastern European Summer Time