Convert any time between MST and CST (China), with a full 24-hour table and the hours when both sides are actually at work.

MST to CST (China) Time Converter

CST (China) is 14 hours ahead of MST. The US Mountain states are currently on MDT (UTC-6:00), and CST (China) is UTC+8:00.

Worth knowing right now. The US Mountain states are currently on MDT, not MST, because daylight saving is in effect. The 14 hours above is the gap between those two regions today, which is almost certainly what you want. Taken strictly as written, MST to CST (China) is 15 hours.
MST
Mountain Standard Time
08:19:14 AM
Sunday, October 11, 2026
UTC-6:00
+14:00
hours difference
⇆ Reverse
CST (China)
China Standard Time
10:19:14 PM
Sunday, October 11, 2026
UTC+8:00

Best Time to Call Between MST and CST (China)

Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 5:00 PM to 10:00 PM MST, which is 7:00 AM to 12:00 PM CST (China).

both at work MST only CST (China) only neither  —  hours along the strip are MST.

MST to CST (China): Full 24-Hour Conversion Table

Shaded rows are working hours; the darker shade marks the hours when both zones are at work.

MSTCST (China)Working hours
12:00 AM 2:00 PM CST (China) only
1:00 AM 3:00 PM CST (China) only
2:00 AM 4:00 PM CST (China) only
3:00 AM 5:00 PM —
4:00 AM 6:00 PM —
5:00 AM 7:00 PM —
6:00 AM 8:00 PM —
7:00 AM 9:00 PM —
8:00 AM 10:00 PM —
9:00 AM 11:00 PM MST only
10:00 AM 12:00 AM next day MST only
11:00 AM 1:00 AM next day MST only
12:00 PM 2:00 AM next day MST only
1:00 PM 3:00 AM next day MST only
2:00 PM 4:00 AM next day MST only
3:00 PM 5:00 AM next day MST only
4:00 PM 6:00 AM next day MST only
5:00 PM 7:00 AM next day —
6:00 PM 8:00 AM next day —
7:00 PM 9:00 AM next day CST (China) only
8:00 PM 10:00 AM next day CST (China) only
9:00 PM 11:00 AM next day CST (China) only
10:00 PM 12:00 PM next day CST (China) only
11:00 PM 1:00 PM next day CST (China) only

What MST and CST (China) Actually Are

MST — Mountain Standard Time

Denver, Salt Lake City, Calgary — and Phoenix year-round. Standing at UTC-7:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to MST. Arizona stays on MST all year, so Phoenix and Denver are an hour apart for eight months and identical for four.

Arizona has stayed on MST year-round since 1968 — the Navajo Nation within it does observe daylight saving, making the state a patchwork.

CST (China) — China Standard Time

Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu. Standing at UTC+8:00 as written, and the region does not change its clocks, so that offset holds all year. Written CST, the same letters as US Central Standard Time (UTC-6) — a genuinely common source of missed meetings. All of China runs on this single zone despite spanning five geographic ones.

China spans five geographic time zones but runs on one clock, set to Beijing. In Xinjiang, at the far west, many residents informally keep a local time two hours behind the official one.

What This Means in Practice

The date changes mid-working-day

For 7 of the eight hours in a normal MST working day, the equivalent CST (China) time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.

This gap is not fixed

MST changes its clocks and CST (China) does not, so the difference between them moves by an hour twice a year. A recurring meeting set now will drift for one side from Sunday, November 1, 2026 unless someone resets it.

Nearly opposite sides of the clock

At 14 hours apart, one side's morning is the other side's night. Handing work over at the end of a shift usually beats trying to get both parties in the same call.

Frequently Asked Questions

What is the time difference between MST and CST (China)?

CST (China) is 14 hours ahead of MST. That is the live figure. Taken strictly as written, the gap between MST and CST (China) is 15 hours — the two differ because at least one of these regions is currently on daylight saving.

What is 9:00 AM MST in CST (China)?

9:00 AM MST is 11:00 PM CST (China).

What are the best hours to schedule a call between MST and CST (China)?

Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 5:00 PM to 10:00 PM MST, which is 7:00 AM to 12:00 PM CST (China).

Does the difference between MST and CST (China) change during the year?

Yes. MST observes daylight saving and CST (China) does not, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, November 1, 2026.

Does MST always mean Mountain Standard Time?

Arizona stays on MST all year, so Phoenix and Denver are an hour apart for eight months and identical for four.

Does CST (China) always mean China Standard Time?

Written CST, the same letters as US Central Standard Time (UTC-6) — a genuinely common source of missed meetings. All of China runs on this single zone despite spanning five geographic ones.

Converting between two time zones regularly? Bookmark this page — the clocks update live and the table follows daylight saving automatically.