From
GMT
London
Time Zone Converter
GMT to CST Time Zone Converter
Convert GMT to CST with a live clock, current time difference, UTC offsets, and work-hour overlap. CST is 6 hours behind GMT.
To
Central Time
Chicago
When it is 7:30 AM in GMT, it is 1:30 AM in Central Time.
GMT to CST at a glance
Central Time is 6 hours behind GMT. If someone gives you a time in GMT, move the clock by 6 hours to read it in Central Time. A 9:00 AM start in London becomes 3:00 AM in Chicago.
What GMT covers
GMT is commonly used as the United Kingdom time reference. In summer, the UK moves to British Summer Time. It is a familiar baseline for Europe, Africa, and global remote teams.
What Central Time covers
Central Time is the working clock for a large part of the US and Canada. Cities like Chicago, Dallas, and Houston use it. It is often the middle ground when teams need to coordinate between the east coast and the west coast.
Quick answers
What is the time difference between GMT and CST?
Central Time is 6 hours behind GMT.
What happens to a 3:00 PM meeting in GMT?
It lands at 9:00 AM in CST.
Does daylight saving time matter for GMT to CST?
GMT and Central Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.