<Tr> <Td_colspan="2"> DST is observed in some of this time zone . </Td> </Tr> <P> The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean . </P> <P> Central Standard Time (CST) is six hours behind Coordinated Universal Time (UTC). During summer most of the zone uses daylight saving time (DST), and changes to Central Daylight Time (CDT) which is five hours behind UTC . </P> <P> The province of Manitoba is the only province or territory in Canada that observes Central Time in all areas . </P>

What is the difference between cst and cdt time
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