The short answer
China Standard Time is 14 hours ahead of Mountain Time.
China Standard Time☀
8:29:15am
CST · UTC+08:00 · Fri, Sep 25
Mountain Time☾
6:29:15pm
MDT · UTC-06:00 · Thu, Sep 24
Read across to convert
China Standard Time
CST · UTC+08:00
Mountain Time
MDT · UTC-06:00
Click any row to pin that hour across both zones.
12amFri
10amThu ·−1d
WORK1am
11amThu ·−1d
WORK2am
12pmThu ·−1d
WORK3am
1pmThu ·−1d
WORK4am
2pmThu ·−1d
WORK5am
3pmThu ·−1d
WORK6am
4pmThu ·−1d
WORK7am
5pmThu ·−1d
NOW
8am
6pmThu ·−1d
9am
WORK7pmThu ·−1d
10am
WORK8pmThu ·−1d
11am
WORK9pmThu ·−1d
12pm
WORK10pmThu ·−1d
1pm
WORK11pmThu ·−1d
2pm
WORK12amFri
3pm
WORK1am
4pm
WORK2am
5pm
3am
6pm
4am
7pm
5am
8pm
6am
9pm
7am
10pm
8am
11pm
9am
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
China Standard Time
7am–9am
Mountain Time
5pm–7pm
previous day
Popular conversions
Quick reference.
9amChina Standard Time=7pmMountain Time · prev day
12pmChina Standard Time=10pmMountain Time · prev day
3pmChina Standard Time=1amMountain Time
5pmChina Standard Time=3amMountain Time
9pmChina Standard Time=7amMountain Time
In context
What each side covers.
China Standard Time
8:29amCST · UTC+08:00
Mountain Time
6:29pmMDT · UTC-06:00
Cities on this clock
Related converters
Other popular pairs.
Pacific Time
5:29pm
India Standard Time
5:59am
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
8:29pm
Central European Time
2:29am
Eastern Time to Central Europe6 hours behind
India Standard Time
5:59am
Eastern Daylight Time
8:29pm
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
1:29am
India Standard Time
5:59am
London to India4 hours 30 minutes behind
Pacific Daylight Time
5:29pm
Eastern Daylight Time
8:29pm
Pacific to Eastern Time3 hours behind
Central European Time
2:29am
India Standard Time
5:59am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between China Standard Time and Mountain Time. Can't find what you need? Email [email protected].
- What is the time difference between China Standard Time and Mountain Time?
- China Standard Time is 14 hours ahead of Mountain Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 9am in China Standard Time, what time is it in Mountain Time?
- 9am in China Standard Time is 7pm in Mountain Time on the previous day. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
- What's the best time for a call between China Standard Time and Mountain Time?
- There's no comfortable 9-to-5 overlap between China Standard Time and Mountain Time — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — CST and MDT — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.