Can i go to a night club the day before i turn 18?

im currently living in norfolk, england and im turning 18 this july but the only problem is my birthday is on a sunday, now theres nothing too do on a sunday when it comes to clubbing so would i be allowed in night clubs, pubs ect on the saturday the day before? or will i have to wait until the next week? any little thing will be helpfull :)