I was looking at time zones and see many names listed for UTC-4. One of those is SAWST which is listed as SA Western Standard Time. What does the SA stand for? There are not a lot of web pages that even list SAWST. One that talks about SA and time zones is for SAST which means South Africa.
I was thinking maybe SA means South Atlantic, but the places that use this designation seem to be La Paz, western Brazil and other land locked or even Pacific countries such as Chile. Actually, it seems many countries designate their own, private time zone names like BOT for Bolivia Time.
It's just odd that every time zone page just calls it SA Western Standard Time which would seem to indicate all of these sites just copy the info from some single source or each other.