In IT, this mess leaks to places it really shouldn't. I've never permanently lived nor worked in native english place, but the amount of time I've seen somewhere in some web app or work outlook weeks starting on Sundays... its maddening, you easily make mistakes in good faith that can have pretty bad consequences, without realizing them.
I think its airbnb that still shows me calendar starting form Sunday. Not cool when you are looking at all those other sites for flight bookings or car rentals, all of them starting from Monday since they respect your locale, and then you book accommodation by muscle memory (since you re-did the searches numerous times as planning decisions about vacation took place), starting at given field for day of the week, only realizing that its moved by 1 day earlier (or later, not sure now). Good if you find out quickly, bad if on the 'arrival' day and your family have nowhere to sleep and its already dark.
I know that this won't ever be resolved mainly due to big egos of those involved, in same way that there will always be those ridiculous feet and inches and miles and absurd conversions between those, on top of fahrenheit madness. Tells something about maturity of mankind...
Walk into a stationery store in British Columbia and you'll find both options.
Perhaps though that is due to the increasingly globalized world and stationery stores desire to have a lot of varied product from great product makers in Japan, USA and further afield.
I grew up aware that some people considered Sunday the start and others Monday, but didn't seem like there were any real firm rules about it where it mattered. I feel like I saw both being used. I always preferred using Monday as the start of the week.
Edit: Had a quick look at the Vancouver recycling calendar they sent me in the mail: Sunday first.
