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London · Reykjavik · Accra
Need overlap across regions? Open the international meeting planner.
Difference
CST vs GMT
UTC → UTC
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Chicago · Houston · Dallas
GMT to CST converter
Convert GMT to CST time now
Free GMT to CST converter. See Greenwich Mean Time and Central Standard Time side by side. Live clocks, a 6 hours gap, meeting hours, and a full-day chart for London and Chicago.
Etc/UTC
—
GMT → CST
To · Central Standard Time
—
America/Chicago
Interactive diagram
Watch GMT convert into CST
Drag the GMT hour. Watch the Central clock change.
GMT
9:00 AM GMT
—
CST ← GMT
Central
—
Full-day chart
GMT to CST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| GMT | Central | UTC offsets |
|---|
Meeting times
Best GMT to CST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step GMT to CST conversion
Four short steps to convert any GMT time to CST.
Choose GMT time
Select any hour in Greenwich Mean Time. Smart mode uses Etc/UTC.
GMT to CST conversion guide
GMT to CST conversion guide
This GMT to CST converter shows Central Standard Time (UTC−6) for any Greenwich Mean Time (UTC±0) time. Use it to schedule between London and Chicago. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the GMT and CST labels.
GMT
GMT
UTC±0
London · Reykjavik · Accra
GMT vs CST—
Central
CST
UTC−6
Chicago · Houston · Dallas
What is GMT to CST conversion?
GMT to CST conversion turns a GMT clock into the matching CST time. Use it for calls, travel, and teams in London and Chicago.
GMT to CST time difference
CST is 6 hours behind GMT. Subtract 6 hours from the GMT time to get CST. The live clocks at the top show the current GMT to CST gap.
GMT vs CST
GMT is UTC±0. CST is UTC−6. They are different names. If a region uses daylight saving, check the live labels.
GMT to CST now / current time
Need gmt to cst right now? Read the live clocks, or tap Use current time for an instant GMT → CST result.
GMT to CST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
GMT—
—GMT → CST
Central—
Quick answers
GMT
Greenwich Mean Time (GMT)
UTC±0
Same as UTC+0 here. London often uses BST in summer.
- Cities: London · Reykjavik · Accra
- City clock: Etc/UTC
- Fixed GMT: UTC±0
- On this page it pairs with CST (UTC−6)
Central
Central Standard Time (CST)
UTC−6
Central Standard Time (CST) is UTC−6. Smart DST uses America/Chicago for cities such as Chicago · Houston · Dallas.
- Cities: Chicago · Houston · Dallas
- City clock: America/Chicago
- Fixed CST: UTC−6
- From GMT: CST is 6 hours behind GMT
GMT to CST FAQ