CST to GMT time zone converter

CST (UTC-06:00)
Central Standard Time
23:39:00
Oct 18
  • 12
    AM
  • 1
    AM
  • 2
    AM
  • 3
    AM
  • 4
    AM
  • 5
    AM
  • 6
    AM
  • 7
    AM
  • 8
    AM
  • 9
    AM
  • 10
    AM
  • 11
    AM
  • 12
    PM
  • 1
    PM
  • 2
    PM
  • 3
    PM
  • 4
    PM
  • 5
    PM
  • 6
    PM
  • 7
    PM
  • 8
    PM
  • 9
    PM
  • 10
    PM
  • 11
    PM
GMT (UTC+00:00)
Greenwich Mean Time
05:39:00
Oct 19
  • 6
    AM
  • 7
    AM
  • 8
    AM
  • 9
    AM
  • 10
    AM
  • 11
    AM
  • 12
    PM
  • 1
    PM
  • 2
    PM
  • 3
    PM
  • 4
    PM
  • 5
    PM
  • 6
    PM
  • 7
    PM
  • 8
    PM
  • 9
    PM
  • 10
    PM
  • 11
    PM
  • 12
    AM
  • 1
    AM
  • 2
    AM
  • 3
    AM
  • 4
    AM
  • 5
    AM

This simple CST to GMT time zone converter allows you to quickly and visually understand the time difference between CST (CST) and GMT (GMT).

2026-10-18: 11:39 PM CST

5:39 AM (+1) GMT

CST: UTC-06:00 · GMT: UTC+00:00

Just hover over the colored hour tiles, and you’ll instantly see the corresponding time in both zones. The time difference between CST and GMT is 6 hours 0 minutes, with GMT being ahead. For example, if it is 11:39 PM CST, the equivalent time in GMT will be 5:39 AM (+1) GMT.

CST to GMT hour-by-hour

2026-10-18 · CST
Central Standard TimeGreenwich Mean Time
00:00 CST06:00 GMT
00:30 CST06:30 GMT
01:00 CST07:00 GMT
01:30 CST07:30 GMT
02:00 CST08:00 GMT
02:30 CST08:30 GMT
03:00 CST09:00 GMT
03:30 CST09:30 GMT
04:00 CST10:00 GMT
04:30 CST10:30 GMT
05:00 CST11:00 GMT
05:30 CST11:30 GMT
06:00 CST12:00 GMT
06:30 CST12:30 GMT
07:00 CST13:00 GMT
07:30 CST13:30 GMT
08:00 CST14:00 GMT
08:30 CST14:30 GMT
09:00 CST15:00 GMT
09:30 CST15:30 GMT
10:00 CST16:00 GMT
10:30 CST16:30 GMT
11:00 CST17:00 GMT
11:30 CST17:30 GMT
12:00 CST18:00 GMT
12:30 CST18:30 GMT
13:00 CST19:00 GMT
13:30 CST19:30 GMT
14:00 CST20:00 GMT
14:30 CST20:30 GMT
15:00 CST21:00 GMT
15:30 CST21:30 GMT
16:00 CST22:00 GMT
16:30 CST22:30 GMT
17:00 CST23:00 GMT
17:30 CST23:30 GMT
18:00 CST00:00 (+1) GMT
18:30 CST00:30 (+1) GMT
19:00 CST01:00 (+1) GMT
19:30 CST01:30 (+1) GMT
20:00 CST02:00 (+1) GMT
20:30 CST02:30 (+1) GMT
21:00 CST03:00 (+1) GMT
21:30 CST03:30 (+1) GMT
22:00 CST04:00 (+1) GMT
22:30 CST04:30 (+1) GMT
23:00 CST05:00 (+1) GMT
23:30 CST05:30 (+1) GMT

Central Standard Time

UTC-06:00

Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.

CST · UTC-06:00

Greenwich Mean Time

UTC+00:00

Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.

GMT · UTC+00:00

Frequently Asked Questions

2026-10-18 · CST behind GMT: 6 hours 0 minutes. CST: UTC-06:00; GMT: UTC+00:00.

2026-10-18 · 23:39 CST → 05:39 (+1) GMT.

Weekday overlap (Mon–Fri, 09:00–17:00 in both places): No overlapping working hours on this source date.

CST behind GMT: 6 hours 0 minutes

Date → Select range → .ics. 2026-10-18 · 23:39 CST → 05:39 (+1) GMT.

CST: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT. GMT: Fixed UTC offset. For seasonal local time, select a city or ET, CT, MT, PT.