See what every hour in GMT equals in CST
| GMT Time | CST Time | Activity |
|---|---|---|
| 00:00 (12 AM) | 18:00 (6 PM) | Midnight |
| 01:00 (1 AM) | 19:00 (7 PM) | Early Morning |
| 02:00 (2 AM) | 20:00 (8 PM) | Early Morning |
| 03:00 (3 AM) | 21:00 (9 PM) | Early Morning |
| 04:00 (4 AM) | 22:00 (10 PM) | Early Morning |
| 05:00 (5 AM) | 23:00 (11 PM) | Early Morning |
| 06:00 (6 AM) | 00:00 (12 AM) | Morning |
| 07:00 (7 AM) | 01:00 (1 AM) | Morning |
| 08:00 (8 AM) | 02:00 (2 AM) | Morning |
| 09:00 (9 AM) | 03:00 (3 AM) | Morning |
| 10:00 (10 AM) | 04:00 (4 AM) | Morning |
| 11:00 (11 AM) | 05:00 (5 AM) | Noon |
| 12:00 (12 PM) | 06:00 (6 AM) | Afternoon |
| 13:00 (1 PM) | 07:00 (7 AM) | Afternoon |
| 14:00 (2 PM) | 08:00 (8 AM) | Afternoon |
| 15:00 (3 PM) | 09:00 (9 AM) | Afternoon |
| 16:00 (4 PM) | 10:00 (10 AM) | Afternoon |
| 17:00 (5 PM) | 11:00 (11 AM) | Evening |
| 18:00 (6 PM) | 12:00 (12 PM) | Evening |
| 19:00 (7 PM) | 13:00 (1 PM) | Evening |
| 20:00 (8 PM) | 14:00 (2 PM) | Evening |
| 21:00 (9 PM) | 15:00 (3 PM) | Night |
| 22:00 (10 PM) | 16:00 (4 PM) | Night |
| 23:00 (11 PM) | 17:00 (5 PM) | Night |
This page shows the live time conversion between Greenwich Mean Time (GMT) and Central Standard Time (CST). The time difference is -6h, meaning CST is -6h behind GMT.
Currently, when it is 06:36 (6:36 AM) in Greenwich Mean Time, it is 00:36 (12:36 AM) in Central Standard Time.
Greenwich Mean Time (GMT) operates at UTC+1 from Coordinated Universal Time (UTC). The IANA time zone identifier is Europe/London. This zone observes British Summer Time (BST) during warmer months.
Central Standard Time (CST) operates at UTC-5 from UTC. The IANA time zone identifier is America/Chicago. This zone observes Daylight Saving Time, shifting by 1 hour seasonally.
When traveling or scheduling meetings between these two time zones, keep the -6h difference in mind. Jet lag typically lasts about one day per time zone crossed. To minimize disruption:
For business calls, the best overlapping hours depend on both zones' standard business schedules (typically 9 AM – 5 PM). Use the 24-hour table above to find sweet spots where both parties are within reasonable working hours.