World Time Zone Map Illinois Area Codes 312

312 Area code

Central Time

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312 is an area code located in the state of Illinois, US. The largest city it serves is Chicago.

Location, time zone and map of the 312 area code

Local time

--:-- CDT   

 

Time difference to GMT/UTC

Standard time: UTC/GMT -6:00 hours
Daylight saving time: +1:00 hour
Current time zone offset: UTC/GMT -5:00 hours
Time zone abbreviation: CDT
 

Daylight Saving Time 2021 (Summer Time)

DST starts on Sunday 14 March 2021, 02:00
DST ends on Sunday 07 November 2021, 02:00

 

Time zone

The 312 area code lies within the Central Time (CT)

CST - Central Standard Time
CDT - Central Daylight Time when daylight saving time is being observed (from mid-March to early November)
 

Location

 

Major cities and communities served by area code 312

Cook County
  • Chicago
  • Schaumburg
  • Wheeling
DuPage County
  • Hinsdale
 
 

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