Time Difference Between Chicago and Las Vegas

The time difference between Chicago and Las Vegas is 2 hours. When it is 12:00 noon in Chicago, it is 10:00 in Las Vegas. Chicago uses the America/Chicago time zone (UTC-5), while Las Vegas uses America/Los_Angeles (UTC-7).

Las Vegas is 2 hours behind Chicago — 2 hours
Chicago, United States
15:57:03
Thursday, March 26, 2026
UTC-5 · CDT (DST)
Las Vegas, United States
13:57:03
Thursday, March 26, 2026
UTC-7 · PDT (DST)

Time Zone Details: Chicago vs Las Vegas

Detail Chicago Las Vegas
Time Zone IDAmerica/ChicagoAmerica/Los_Angeles
UTC OffsetUTC-5UTC-7
AbbreviationCDTPDT
DST ActiveYes — currently observingYes — currently observing
CountryUnited StatesUnited States
RegionNorth AmericaNorth America

Best Time to Schedule a Call

There are 6 overlapping business hours between Chicago and Las Vegas (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

11:00–17:00 in Chicago  =  09:00–15:00 in Las Vegas

Hour-by-Hour Time Conversion

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

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

Daylight Saving Time (DST) Impact

Both Chicago and Las Vegas are currently observing daylight saving time. The current 2 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for Chicago–Las Vegas Scheduling

Compare Chicago and Las Vegas with Other Cities

From Chicago

From Las Vegas

Frequently Asked Questions

What is the time difference between Chicago and Las Vegas?

The time difference is 2 hours. Las Vegas is 2 hours behind Chicago.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from Chicago to Las Vegas?

The best window is between 11:00 and 17:00 Chicago time, which corresponds to 09:00–15:00 in Las Vegas. Both sides fall within normal business hours.

How do I convert Chicago time to Las Vegas time?

Subtract 2 hours from Chicago time to get Las Vegas 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.