| Alabama(AL) | Central Standard Time (CST) |
| Alaska(AK) | Alaska Standard Time (AKST) |
| Aleutian Islands Hawaii-Aleutian Standard Time (HST) |
| Arizona(AZ) | Mountain Standard Time (MST) |
| The Navajo Nation uses Daylight Saving Time (DST), the rest of the state does not |
| American Samoa | Samoa Time (SST) |
| American Samoa does not use Daylight Saving Time (DST) |
| Arkansas(AR) | Central Standard Time (CST) |
| California(CA) | Pacific Standard Time (PST) |
| Colorado(CO) | Mountain Standard Time (MST) |
| Connecticut(CT) | Eastern Standard Time (EST) |
| Delaware(DE) | Eastern Standard Time (EST) |
| District of Columbia(DC) | Eastern Standard Time (EST) |
| Florida(FL) | Most of the state: Eastern Standard Time (EST) |
| West of the Apalachicola River: Central Standard Time (CST) |
| Georgia(GA) | Eastern Standard Time (EST) |
| Guam (GU) | Chamorro Standard Time (ChST) |
| Guam does not use Daylight Saving Time (DST) |
| Hawaii(HI) | Hawaii-Aleutian Standard Time (HST) |
| Hawaii does not use Daylight Saving Time (DST) |
| Idaho(ID) | Most of the state: Mountain Standard Time (MST) |
| North of the Salmon River: Pacific Standard Time (PST) |
| Illinois(IL) | Central Standard Time (CST) |
| Indiana(IN) | Most of the state: Eastern Standard Time (EST) |
| Some counties near the southwestern and northwestern border of the state use Central Standard Time (CST) |
| Iowa(IA) | Central Standard Time (CST) |
| Kansas(KS) | Most of the state: Central Standard Time (CST) |
| Greeley, Hamilton, Sherman and Wallace counties: Mountain Standard Time (MST) |
| Kentucky(KY) | Western half of the state: Central Standard Time (CST) |
| Eastern half of the state: Eastern Standard Time (EST) |
| Louisiana(LA) | Central Standard Time (CST) |
| Maine(ME) | Eastern Standard Time (EST) |
| Maryland(MD) | Eastern Standard Time (EST) |
| Massachusetts(MA) | Eastern Standard Time (EST) |
| Michigan(MI) | Most of the state: Eastern Standard Time (EST) |
| Dickinson, Gogebic, Iron and Menominee Counties: Central Standard Time (CST) |
| Minnesota(MN) | Central Standard Time (CST) |
| Mississippi(MS) | Central Standard Time (CST) |
| Missouri(MO) | Central Standard Time (CST) |
| Montana(MT) | Mountain Standard Time (MST) |
| Nebraska(NE) | Most of the state: Central Standard Time (CST) |
| Western part of the state: Mountain Standard Time (MST) |
| Nevada(NV) | Most of the state: Pacific Standard Time (PST) |
| 2 small towns, Jackpot and West Wendover: Mountain Standard Time (MST) |
| New Hampshire(NH) | Eastern Standard Time (EST) |
| New Jersey(NJ) | Eastern Standard Time (EST) |
| New Mexico(NM) | Mountain Standard Time (MST) |
| New York(NY) | Eastern Standard Time (EST) |
| North Carolina(NC) | Eastern Standard Time (EST) |
| North Dakota(ND) | Most of the state: Central Standard Time (CST) |
| Western North Dakota: Mountain Standard Time (MST) |
| Northern Mariana Islands(MP) | Chamorro Standard Time (ChST) |
| The CNMI does not use Daylight Saving Time (DST) |
| Ohio(OH) | Eastern Standard Time (EST) |
| Oklahoma(OK) | Central Standard Time (CST) |
| Oregon(OR) | Most of the state: Pacific Standard Time (PST) |
| Part of Malheur County: Mountain Standard Time (MST) |
| Pennsylvania(PA) | Eastern Standard Time (EST) |
| Puerto Rico (PR) | Atlantic Standard Time (AST) |
| Puerto Rico does not use Daylight Saving Time (DST) |
| Rhode Island(RI) | Eastern Standard Time (EST) |
| South Carolina(SC) | Eastern Standard Time (EST) |
| South Dakota(SD) | Eastern South Dakota: Central Standard Time (CST) |
| Western South Dakota: Mountain Standard Time (MST) |
| Tennessee(TN) | West Tennessee: Central Standard Time (CST) |
| Middle Tennessee, plus Marion County: Central Standard Time (CST) |
| East Tennessee, except Marion County: Eastern Standard Time (EST) |
| Texas(TX) | Most of the state: Central Standard Time (CST) |
| El Paso and Hudspeth Counties: Mountain Standard Time (MST) |
| United States Virgin Islands (USVI) | Atlantic Standard Time (AST) |
| The USVI does not use Daylight Saving Time (DST) |
| Utah(UT) | Mountain Standard Time (MST) |
| Vermont(VT) | Eastern Standard Time (EST) |
| Virginia(VA) | Eastern Standard Time (EST) |
| Washington(WA) | Pacific Standard Time (PST) |
| West Virginia(WV) | Eastern Standard Time (EST) |
| Wisconsin(WI) | Central Standard Time (CST) |
| Wyoming(WY) | Mountain Standard Time (MST) |
