Seasons in Senatry only last for single real time day. They get transferred at server time 5 AM. This is the same as GMT+1 14:00 (which is Europe west part), EST+1 22:00 (which is Australia) and EDT-4 8:00 AM (which is Florida's time).
"Winter is a season of calm and serenity. No PvP in winter" During winter no PvP can take place. You can not attack another player their city, farm nor domain.
As winter passed by, ranches occupied by leagues will be open again. 4 extra bugles will be sent at 8:30, 12:30, 19:00, 21:00 in spring.
Summer is a season of boom. 15 levies and Domain War at 08:00 and 20:00 for every Summer (players can participate in only one).
Autumn is a season of harvest. Farm production increases by 20%; Area War at 20:00 for every autumn night.