GMT to CST Time Converter
GMT is 6 hours ahead of CST right now.
GMT UTC+0 · CST UTC−6
GMT → CST at a glance
| GMT | CST |
|---|---|
| 09:00 | 03:00 |
| 12:00 | 06:00 |
| 15:00 | 09:00 |
| 18:00 | 12:00 |
| 21:00 | 15:00 |
GMT currently runs on UTC+0 and CST on UTC−6, so GMT is 6 hours ahead of CST. GMT is currently on standard time, and CST is currently on standard time. Because both cities follow their own clock rules, the 6 hours gap you see today can shift by an hour around the spring and autumn changeovers, which is why this page calculates every value live from the official time zone database instead of a fixed offset. For meetings, the best shared working window today is 15:00–18:00 GMT time, when both offices are inside normal 09:00–18:00 hours. Use the planner above to drag across a range, compare more cities, then copy a summary or add the slot straight to Google Calendar.
Daylight saving in GMT and CST
GMT follows European rules: clocks go forward on the last Sunday in March and back on the last Sunday in October, at 01:00 UTC. CST follows North American rules: clocks go forward on the second Sunday in March and back on the first Sunday in November.
Frequently asked questions
What is the time difference between GMT and CST?
GMT is 6 hours ahead of CST right now (GMT UTC+0, CST UTC−6).
Does GMT or CST use daylight saving time?
GMT is currently on standard time. CST is currently on standard time. The gap between them can change when either switches clocks.
What is 9 AM in GMT in CST?
9:00 AM in GMT is 03:00 in CST today.