What is the definition of a hemorrhoid? Hemorrhoids (Piles) are blood vessels located in the smooth muscles of the walls of the rectum and anus. They are a normal part of the anatomy and are located at the junction where small arteries merge into veins.
Las Vegas is in the Pacific Time zone. {GMT - 8 hours}.
Daylight saving time (DST) was observed at Las Vegas, Nevada during 2013. There were two time changes during 2013: 1  DST started on Sunday March 10, 2013 at 3:00 am, from PST (GMT-8) to PDT (GMT-7). 2  DST ended on Sunday November 3, 2013 at 1:00 am, from PDT (GMT-7) to PST (GMT-8).