GMT to CST Converter

Convert Greenwich Mean Time (GMT) to Central Time (CST), with daylight saving time handled for you.

CST to GMT

Now in GMT

6:02 PM

Greenwich Mean Time · UTC / GMT

Now in CST

1:02 PM

Central Time · Chicago

Results

6:02 PM GMT in CST

1:02 PM

Central Time · right now CST is 5 hours behind GMT

Times follow UTC / GMT for GMT and Chicago for CST, using the IANA time zone database.

GMT to CST time difference

CST is 5 hours behind GMT for most of 2026, and 6 hours behind GMT for about 127 days, because daylight saving time changes on different dates.

Greenwich Mean Time does not use daylight saving time. In 2026, Central Time switches to CDT on March 8 and back to CST on November 1.

GMT to CST conversion table

Every hour on 2026-09-28. Highlighted rows fall inside 9 AM–5 PM in both zones.

GMT (Greenwich Mean Time)CST (Central Time)
12:00 AM7:00 PM · previous day
1:00 AM8:00 PM · previous day
2:00 AM9:00 PM · previous day
3:00 AM10:00 PM · previous day
4:00 AM11:00 PM · previous day
5:00 AM12:00 AM
6:00 AM1:00 AM
7:00 AM2:00 AM
8:00 AM3:00 AM
9:00 AM4:00 AM
10:00 AM5:00 AM
11:00 AM6:00 AM
12:00 PM7:00 AM
1:00 PM8:00 AM
2:00 PM9:00 AM
3:00 PM10:00 AM
4:00 PM11:00 AM
5:00 PM12:00 PM
6:00 PM1:00 PM
7:00 PM2:00 PM
8:00 PM3:00 PM
9:00 PM4:00 PM
10:00 PM5:00 PM
11:00 PM6:00 PM

Working hours overlap

On 2026-09-28, a 9 AM–5 PM workday in GMT and in CST overlap for about 3 hours, from 2:00 PM to 5:00 PM GMT (9:00 AM to 12:00 PM CST).

Convert GMT to other time zones

How to use

Follow these steps to get a result

  1. Pick a date and a time in Greenwich Mean Time (GMT).

  2. Read the matching CST time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

CST is 5 hours behind GMT for most of 2026, and 6 hours behind GMT for about 127 days, because daylight saving time changes on different dates.

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