I start now and I need help

So i will start to play Vanilla wow now and everybody recomended this server for me, i have some question, Is a European time or US ? What timetable have the most of guild for raids, and which character reconmend me if i want do probably 80% pvp but i want give some chanse for pve , i think in a mage , because i like mages , but a hunter maybe, i dont know?? which is stronger? or is it more helpful? if i will spent a lot of time and i dont want cry later xD , I am very excited for start, and two question, Someone Spanish? and exist someguild for level or something?' Soo thanks for all i want answer xD Sorry for my english i hope you understand all