UTC−4
19 IANA zones are on UTC−4 right now, where the local time is on Tuesday 15 September. 8 of them change clocks during the year, so this list is true today and not in six months.
| Zone | Abbreviation | Anchor city | Changes clocks | Next change |
|---|---|---|---|---|
| America/New_York | EDT | New York | Yes | 1 Nov 2026 |
| America/Caracas | UTC−4 | Caracas | No | — |
| America/Toronto | EDT | Toronto | Yes | 1 Nov 2026 |
| America/Santo_Domingo | AST | Santo Domingo | No | — |
| America/Havana | UTC−4 | Havana | Yes | 1 Nov 2026 |
| America/Manaus | UTC−4 | Manaus | No | — |
| America/La_Paz | UTC−4 | Santa Cruz de la Sierra | No | — |
| America/Port-au-Prince | EDT | Port-au-Prince | Yes | 1 Nov 2026 |
| America/Indiana/Indianapolis | EDT | Indianapolis | Yes | 1 Nov 2026 |
| America/Campo_Grande | UTC−4 | Campo Grande | No | — |
| America/Detroit | EDT | Detroit | Yes | 1 Nov 2026 |
| America/Cuiaba | UTC−4 | Cuiabá | No | — |
| America/Puerto_Rico | AST | San Juan | No | — |
| America/Nassau | EDT | Holguín | Yes | 1 Nov 2026 |
| America/Porto_Velho | UTC−4 | Porto Velho | No | — |
| America/Kentucky/Louisville | EDT | Louisville | Yes | 1 Nov 2026 |
| America/Boa_Vista | UTC−4 | Boa Vista | No | — |
| America/Guyana | UTC−4 | Georgetown | No | — |
| America/Curacao | AST | Willemstad | No | — |
Cities on UTC−4 today
An offset is a fact about a moment, not a place — see how UTC offsets work. Two cities that share one today may not share it in June, because each keeps its own daylight saving rules.