Guangzhou Time to MST Converter
MST is 15 hours behind CST. 9:00 AM CST = 6:00 PM MST (previous day).
MST is 15 hours behind CST at the moment. To convert Guangzhou Time to MST, subtract 15 hours from the Guangzhou Time time: 9:00 AM CST = 6:00 PM MST (previous day).
Guangzhou Time (Guangzhou time) is used in Guangzhou, China. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
Most of Arizona uses MST all year and does not switch to MDT.
Guangzhou Time to MST time conversion table
Guangzhou Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Guangzhou Time | MST | Day |
|---|---|---|
| 12:00 AM CST | 9:00 AM MST | previous day |
| 1:00 AM CST | 10:00 AM MST | previous day |
| 2:00 AM CST | 11:00 AM MST | previous day |
| 3:00 AM CST | 12:00 PM MST | previous day |
| 4:00 AM CST | 1:00 PM MST | previous day |
| 5:00 AM CST | 2:00 PM MST | previous day |
| 6:00 AM CST | 3:00 PM MST | previous day |
| 7:00 AM CST | 4:00 PM MST | previous day |
| 8:00 AM CST | 5:00 PM MST | previous day |
| 9:00 AM CST | 6:00 PM MST | previous day |
| 10:00 AM CST | 7:00 PM MST | previous day |
| 11:00 AM CST | 8:00 PM MST | previous day |
| 12:00 PM CST | 9:00 PM MST | previous day |
| 1:00 PM CST | 10:00 PM MST | previous day |
| 2:00 PM CST | 11:00 PM MST | previous day |
| 3:00 PM CST | 12:00 AM MST | night |
| 4:00 PM CST | 1:00 AM MST | night |
| 5:00 PM CST | 2:00 AM MST | night |
| 6:00 PM CST | 3:00 AM MST | night |
| 7:00 PM CST | 4:00 AM MST | night |
| 8:00 PM CST | 5:00 AM MST | night |
| 9:00 PM CST | 6:00 AM MST | — |
| 10:00 PM CST | 7:00 AM MST | — |
| 11:00 PM CST | 8:00 AM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Guangzhou Time to MST
Subtract 15 hours from the Guangzhou Time time to get MST.
Example: 9:00 AM CST = 6:00 PM MST (previous day).
Across midnight: 1:00 AM CST = 10:00 AM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Guangzhou Time and MST
The time difference between Guangzhou Time and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: MST is 15 hours behind of Guangzhou Time.
- 8 Mar 2026 – 31 Oct 2026: MST is 14 hours behind of Guangzhou Time.
- 1 Nov 2026 – 31 Dec 2026: MST is 15 hours behind of Guangzhou Time.
Guangzhou Time and MST during daylight saving time
- Guangzhou Time does not observe daylight saving time; it stays on UTC+8 all year.
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
Best time for a meeting between Guangzhou Time and MST
Guangzhou Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CST, which is 4:00 PM MST.
Guangzhou Time to MST FAQ
What is the time difference between Guangzhou Time and MST?
Right now MST is 15 hours behind CST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Guangzhou Time in MST?
9:00 AM CST is 6:00 PM MST (previous day).
What is 12 PM (noon) Guangzhou Time in MST?
12:00 PM CST is 9:00 PM MST (previous day).
Is MST ahead of or behind Guangzhou Time?
MST is 15 hours behind CST, so it is earlier in MST than in Guangzhou Time.
Does Guangzhou Time change for daylight saving time?
No. Guangzhou Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
What is the best time for a meeting between Guangzhou Time and MST?
Guangzhou Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CST, which is 4:00 PM MST.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert MST to Guangzhou Time
Convert Guangzhou Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.