Time Difference Between Chicago and Monterrey

The time difference between Chicago and Monterrey is 1 hour. When it is 12:00 noon in Chicago, it is 11:00 in Monterrey. Chicago uses the America/Chicago time zone (UTC-5), while Monterrey uses America/Monterrey (UTC-6).

Monterrey is 1 hour behind Chicago — 1 hour
Chicago, United States
15:55:22
Thursday, March 26, 2026
UTC-5 · CDT (DST)
Monterrey, Mexico
14:55:22
Thursday, March 26, 2026
UTC-6 · CST

Time Zone Details: Chicago vs Monterrey

Detail Chicago Monterrey
Time Zone IDAmerica/ChicagoAmerica/Monterrey
UTC OffsetUTC-5UTC-6
AbbreviationCDTCST
DST ActiveYes — currently observingNo
CountryUnited StatesMexico
RegionNorth AmericaNorth America

Best Time to Schedule a Call

There are 7 overlapping business hours between Chicago and Monterrey (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Chicago  =  09:00–16:00 in Monterrey

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Chicago time to Monterrey time. Rows highlighted in green indicate overlapping business hours in both cities.

Chicago Monterrey
00:00 23:00 (-1 day) Night
01:00 00:00 Night
02:00 01:00 Night
03:00 02:00 Night
04:00 03:00 Night
05:00 04:00 Night
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00 Overlap
11:00 10:00 Overlap
12:00 11:00 Overlap
13:00 12:00 Overlap
14:00 13:00 Overlap
15:00 14:00 Overlap
16:00 15:00 Overlap
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00 Night
23:00 22:00 Night

Daylight Saving Time (DST) Impact

Chicago is currently observing daylight saving time, while Monterrey is on standard time. When Chicago switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Chicago–Monterrey Scheduling

Compare Chicago and Monterrey with Other Cities

From Chicago

From Monterrey

Frequently Asked Questions

What is the time difference between Chicago and Monterrey?

The time difference is 1 hour. Monterrey is 1 hour behind Chicago.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Chicago to Monterrey?

The best window is between 10:00 and 17:00 Chicago time, which corresponds to 09:00–16:00 in Monterrey. Both sides fall within normal business hours.

How do I convert Chicago time to Monterrey time?

Subtract 1 hour from Chicago time to get Monterrey time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.