London is 7 hours ahead of Salt Lake City during most of the year. Salt Lake City uses Mountain Time (MT, UTC-7/-6) while London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1). When it's 12:00 PM in Salt Lake City, it's 7:00 PM in London.
The difference may temporarily change to 6 or 8 hours during the brief periods when the US and UK change clocks on different dates.
Best calling time: 7:00 AM - 10:00 AM Salt Lake City time. This corresponds to 2:00 PM - 5:00 PM in London, covering afternoon business hours.
Salt Lake City hosted the 2002 Winter Olympics and has connections with London through international business and tourism. Delta operates a major hub in Salt Lake City with connections to Europe.