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Universal Time: Abbreviated UT. The same as Greenwich Mean Time (GMT) in England. Central Standard Time (CST) is six hours earlier than UT and Central Daylight Time (CDT) is five hours earlier than UT. When it is midnight UT, it is 6 p.m. CST or 5 p.m CDT.
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Tom Skilling is chief meteorologist at WGN-TV. His forecasts can be seen Monday through Friday on WGN-TV News at noon and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
