if you're starting a new nursing position, make sure you have something from HR in the UK with how many hours or years you've worked. this is important for getting slotted into the correct salary level. if you don't have it, they will start you at a newly qualified level, but they will back date it when you get them the info.
also, Annapolis Valley Health hospitals (Nova Scotia) work 2 12 hr days, 2 12 hr nights, then 5 off