China Standard Time to Greenwich Mean Time
Convert times between China Standard Time (CST, UTC+8:00) and Greenwich Mean Time (GMT, UTC+0:00). Greenwich Mean Time is 8 hours behind China Standard Time in standard time. During daylight saving time this difference changes to 7 hours.
UTC+8:00→UTC+0:00 / +1:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| China Standard Time | CST | UTC+8:00 | — | China |
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (CST → GMT)
| China Standard Time | Greenwich Mean Time |
|---|---|
| 12:00 AM CST | 4:00 PM (prev day) GMT |
| 6:00 AM CST | 10:00 PM (prev day) GMT |
| 9:00 AM CST | 1:00 AM GMT |
| 12:00 PM CST | 4:00 AM GMT |
| 3:00 PM CST | 7:00 AM GMT |
| 6:00 PM CST | 10:00 AM GMT |
| 9:00 PM CST | 1:00 PM GMT |
Summer (DST) Conversion (CST → BST)
| China Standard Time (summer) | Greenwich Mean Time (summer) |
|---|---|
| 12:00 AM CST | 5:00 PM (prev day) BST |
| 6:00 AM CST | 11:00 PM (prev day) BST |
| 9:00 AM CST | 2:00 AM BST |
| 12:00 PM CST | 5:00 AM BST |
| 3:00 PM CST | 8:00 AM BST |
| 6:00 PM CST | 11:00 AM BST |
| 9:00 PM CST | 2:00 PM BST |
Daylight Saving Time (DST) Notes
- Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
- The offset difference shifts between 8h (standard) and 7h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert CST to GMT?
Add (-8) hours to the CST time to get GMT. For example, 9:00 AM CST = 1:00 AM GMT.
What is the current UTC offset for China Standard Time?
China Standard Time is always UTC+8:00 (CST) — it does not observe DST.
Is Greenwich Mean Time ahead or behind China Standard Time?
Greenwich Mean Time is 8 hours behind China Standard Time in standard time.
When is a good time to schedule a meeting between CST and GMT?
Due to the 8-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
China Standard Time → Central European TimeCST / CETChina Standard Time → Eastern European TimeCST / EETChina Standard Time → Moscow TimeCST / MSKChina Standard Time → Turkey TimeCST / TRTChina Standard Time → Hong Kong TimeCST / HKTChina Standard Time → Japan Standard TimeCST / JSTChina Standard Time → Korea Standard TimeCST / KSTChina Standard Time → US Eastern TimeCST / EST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.