What is the time difference between MST and CST?

Central Standard Time (CST) is 1 hour ahead of Mountain Standard Time (MST). MST uses a UTC offset of UTC-6, while CST uses UTC-5. For example, when it's 9:00 AM in MST, it's 10:00 AM in CST. Note that this difference may shift by one hour during daylight saving time transitions if the two zones change on different dates. Use the conversion table above to see the exact time for each hour of the day.

How do I convert MST to CST?

To convert MST to CST, add 1 hour to the MST time. For example, 9:00 AM MST is 10:00 AM CST, and 5:00 PM MST is 6:00 PM CST. Keep in mind that during daylight saving time transitions, the offset between these timezones may temporarily change by one hour. You can also use the interactive converter above for quick, accurate results.

What time is it in CST when it's noon in MST?

When it's 12:00 PM (noon) in MST, it's 1:00 PM in CST. This is because CST is 1 hour ahead of MST. Similarly, when it's 6:00 PM in MST, it's 7:00 PM in CST. During daylight saving time transitions, these times may shift by one hour, so always verify the current offset. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours ahead is CST from MST?

CST is 1 hour ahead of MST. This means when it's 9:00 AM in MST, it's 10:00 AM in CST, and when it's midnight in MST, it's 1:00 AM in CST. The exact difference can vary by one hour during daylight saving time transitions. The conversion table above provides a complete hour-by-hour mapping.

Is CST ahead or behind MST?

CST is ahead of MST by 1 hour. Clocks in CST show a later time than MST, meaning the day starts earlier in CST relative to MST. For example, when it's morning in MST, it's later in the morning in CST. This gap may change by one hour during DST transitions.

Does MST observe daylight saving time?

Yes, Mountain Standard Time observes daylight saving time. During DST, the abbreviation changes to MDT and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard MST time. This means the UTC offset for MST shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your MST to CST conversions.

Does CST observe daylight saving time?

Yes, Central Standard Time observes daylight saving time. During DST, the abbreviation changes to CDT and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard CST time. This means the UTC offset for CST shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your MST to CST conversions.

What is the best time to call from MST to CST?

The best time for a call between MST and CST is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in CST during their work day, call between 8:00 AM and 4:00 PM your MST time. Avoid calling too early or late, as the 1 hour difference means your evening could be their late night. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

When does daylight saving time change in MST?

Daylight saving time transitions vary by year and region. Mountain Standard Time observes DST, which typically shifts clocks forward by one hour in spring ("spring forward") and back in fall ("fall back"). During these transition periods, the time difference between MST and CST may temporarily change by one hour, which can cause confusion for scheduled meetings or calls. It's important to double-check your conversions around transition dates, especially if the two timezones switch on different dates. Check our DST change calendar for exact transition dates in the current year.

Do MST and CST ever have the same time?

No, MST and CST are always 1 hour apart and never display the same clock time simultaneously. Both timezones observe DST and typically transition around the same period, so the standard difference remains consistent throughout the year. The 1 hour offset is determined by their fixed positions relative to the Prime Meridian (UTC). You can always rely on this consistent difference when planning across these timezones.

MST to CST Converter

Convert Mountain Standard Time to Central Standard Time. See the hour-by-hour conversion table below.

Timezone Details

Mountain Standard Time

5:51 PM

Thursday, April 2, 2026

MDT (UTC-06:00)

Central Standard Time

6:51 PM

Thursday, April 2, 2026

CDT (UTC-05:00)

Difference: +1 hour

MDT DST: Yes (MDT)

CDT DST: Yes (CDT)

24-Hour Overview

MDT — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

CDT — 24-hour overview

1a1a

4a4a

7a7a

10a10a

11a

12p

1p1p

4p4p

7p7p

10p10p

11p

12a

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

CST to MST CST to EST EST to CST CST to PST PST to CST CST to GMT GMT to CST MST to GMT GMT to MST

Cities in These Timezones

MST Cities

Denver

CST Cities

Chicago Houston Dallas Minneapolis

More Tools

Compare MST & CST Plan a Meeting (MST & CST)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

Mountain Standard Time on Wikipedia Central Standard Time on Wikipedia IANA Time Zone Database