47:
466:
states in the northeastern U.S., currently in the
Eastern Time Zone (with daylight saving time), have considered legislation to shift to UTC−04:00, equivalent to Atlantic Standard Time (with no observance of daylight saving time) or Eastern Daylight Time. Virtually all of this region is west of the
511:
enacted into law the "Sunshine
Protection Act", under which the state would observe daylight saving time year-round. Most of the state would permanently keep Eastern Daylight Time, which is equivalent to Atlantic Standard Time; the state's
475:
commission concluded in 2017 that the benefits of changing to
Atlantic Standard Time year-round would outweigh the disadvantages, provided that a majority of northeastern states make the same change. In May 2017, the
236:'s official advisories typically report AST and UTC when tracking storms in the Caribbean that threaten the U.S., which may confuse the mainland public not familiar with the time zone designation.
182:
are in this zone, though legally they calculate time specifically as an offset of four hours from
Greenwich Mean Time (GMT–4) rather than from UTC. Small portions of
859:
221:. In the 2010s, several U.S. states considered legislation to move from the Eastern Time Zone to Atlantic Standard Time. Any changes must be approved by the
928:
535:
voted unanimously to advance a federal version of the "Sunshine
Protection" legislation from Florida, also called the "Sunshine Protection Act", to the
790:
735:
603:
750:
In
Vermont, Democrat Rep. Samuel Young this year has submitted legislation that would establish year-round Eastern daylight saving time.
1292:
815:
222:
840:
1830:
139:. AST is observed in parts of North America and some Caribbean islands. During part of the year, some portions of the zone observe
921:
536:
485:
548:
662:
914:
568:
1788:
1783:
1285:
1211:
1768:
980:
962:
17:
295:
377:
346:
284:
539:; the bill was not brought to a vote in the House. A similar bill was introduced in the Senate in 2023.
480:
approved a change to AST, on the condition that there would be a referendum, and that
Massachusetts and
1301:
762:
1278:
1259:
233:
210:
195:
1249:
1216:
712:
1804:
1479:
1405:
1194:
525:
357:
226:
199:
599:
263:
164:
624:
1319:
1087:
532:
489:
404:
179:
140:
106:
8:
1825:
1773:
1760:
449:
218:
279:
1778:
1703:
1595:
1483:
1401:
1339:
1069:
1051:
687:
425:
160:
1140:
1122:
1104:
1033:
1015:
521:
517:
513:
524:. However, the change cannot take effect until it is passed into federal law by the
1468:
1270:
998:
901:
415:
191:
156:
816:"Turning Back Clocks A Thing Of The Past? Senate Passes Sunshine Protection Act"
1699:
1599:
1335:
1254:
1244:
321:
906:
488:
approved a bill in favor of a regional change, but this was voted down by the
1819:
1461:
1455:
1450:
1445:
1440:
1435:
1430:
1424:
1418:
1413:
1391:
1386:
1380:
1374:
1369:
1364:
1358:
1352:
1347:
1315:
1226:
1221:
1204:
1199:
1187:
1182:
1169:
1164:
1151:
1146:
1133:
1128:
1115:
1110:
1097:
1092:
1080:
1075:
1062:
1057:
1044:
1039:
1026:
1021:
1008:
1003:
991:
986:
973:
968:
481:
472:
457:
399:
316:
171:
152:
136:
80:
70:
575:
497:
477:
326:
421:
187:
1752:
493:
463:
394:
372:
214:
175:
663:"Commission: Massachusetts Should Change Time Zones, But Not On Its Own"
1731:
1726:
1721:
1716:
1711:
1688:
1682:
1677:
1672:
1666:
1660:
1655:
1649:
1642:
1636:
1630:
1623:
1617:
1612:
1607:
1585:
1579:
1573:
1568:
1562:
1556:
1551:
1546:
1541:
1535:
1529:
1523:
1516:
1510:
1504:
1497:
1491:
1311:
467:
theoretical western border of the zone at 67.5°W; only a small part of
362:
274:
269:
896:
311:
1745:
937:
443:
38:
860:"Daylight saving time: New bill could stop the clocks from changing"
763:"Should Florida keep Daylight Saving Time all year? It could happen"
791:"Florida's year-round daylight saving time law on hold in Congress"
410:
352:
203:
1054:(Arizona, Sonora, Yukon, and Northeastern British Columbia only)
508:
501:
306:
46:
183:
213:
uses
Atlantic Time, although it is used by the territories of
468:
301:
131:)—by subtracting four hours from Coordinated Universal Time (
644:
458:
U.S. states considering a change to
Atlantic Standard Time
194:) also observe Atlantic Time. Officially, the entirety of
841:"Permanent daylight saving time hits brick wall in House"
736:"Connecticut bill is latest calling for time zone change"
132:
123:
is a geographical region that keeps standard time—called
888:
880:
1300:
713:"Senate votes down push to switch N.H.'s time zone"
484:decided to make the same switch. Also in 2017, the
202:, but in practice Atlantic Time is used in most of
1817:
1125:(parts of Nunavut, Ontario, and the Caribbean)
936:
682:
680:
155:. The clock time in this zone is based on the
151:), by moving their clocks forward one hour to
1286:
922:
677:
625:"RSNL1990 CHAPTER S-23 – STANDARD TIME ACT"
113:DST is observed in parts of this time zone.
1293:
1279:
929:
915:
223:United States Department of Transportation
492:. Similar bills have been put forward in
434:
897:Web clock (Official times across Canada)
688:"Maine Considers Atlantic Standard Time"
838:
369:United States, in the following areas:
14:
1818:
788:
537:United States House of Representatives
486:New Hampshire House of Representatives
1274:
957:Hours from UTC: Daylight saving time
910:
813:
784:
782:
733:
857:
549:Daylight saving time in the Americas
569:"CHAPTER T-6 – Time Definition Act"
24:
839:Schnell, Mychael (July 25, 2022).
779:
25:
1842:
1326:Italics: historical or unofficial
874:
606:from the original on 5 June 2008
516:region would move to year-round
391:Canada, in the following areas:
385:
339:Saint Vincent and the Grenadines
239:
45:
1831:Time zones in the United States
1789:Daylight saving time by country
851:
832:
807:
755:
727:
705:
655:
637:
617:
592:
561:
471:lies east of that meridian. A
264:French overseas collectivities
13:
1:
954:Hours from UTC: Standard time
554:
858:Bink, Addy (March 2, 2023).
820:International Business Times
814:Palya, Ashley (2022-03-15).
378:United States Virgin Islands
347:British Overseas Territories
296:Dutch special municipalities
244:
170:In Canada, the provinces of
7:
734:Haigh, Susan (2019-01-15).
542:
349:), in the following areas:
10:
1847:
1302:Coordinated Universal Time
298:, in the following areas:
266:, in the following areas:
200:Newfoundland Standard Time
1797:
1759:
1744:
1698:
1594:
1478:
1400:
1334:
1309:
1260:Time in the United States
1237:
1212:Saint Pierre and Miquelon
1143:(other states/provinces)
1107:(other states/provinces)
1072:(other states/provinces)
1036:(other states/provinces)
945:
891:current time (live clock)
883:current time (live clock)
649:National Hurricane Center
446:, in the following area:
234:National Hurricane Center
211:continental United States
196:Newfoundland and Labrador
112:
104:
97:12:10, 22 September 2024
92:11:10, 22 September 2024
91:
86:
76:
66:
61:
44:
37:
32:
1774:Time zones by UTC offset
1250:Time in the Danish Realm
889:Atlantic Daylight Time:
881:Atlantic Standard Time:
55: Atlantic Time Zone
1805:Abolition of time zones
1784:Time zone abbreviations
531:On March 15, 2022, the
526:United States Congress
435:Additional local areas
358:British Virgin Islands
229:before taking effect.
227:United States Congress
145:Atlantic Daylight Time
125:Atlantic Standard Time
1769:Time zones by country
600:"Time Definition Act"
522:Eastern Standard Time
518:Central Daylight Time
333:Saint Kitts and Nevis
165:Greenwich Observatory
27:Time zone (UTC−04:00)
1320:Daylight saving time
902:Canada time zone map
789:Lemongello, Steven.
533:United States Senate
405:Prince Edward Island
180:Prince Edward Island
141:daylight saving time
1761:Lists of time zones
1161:(Natashquan River)
795:OrlandoSentinel.com
692:www.timeanddate.com
450:Pituffik Space Base
342:Trinidad and Tobago
250:Antigua and Barbuda
219:U.S. Virgin Islands
1779:Military time zone
1179:(other provinces)
1018:(parts of Alaska)
983:(parts of Alaska)
740:Providence Journal
665:. November 1, 2017
428:), Quebec (no DST)
259:Dominican Republic
232:The United States
161:60th meridian west
121:Atlantic Time Zone
33:Atlantic Time Zone
1813:
1812:
1740:
1739:
1268:
1267:
1232:
1231:
143:, referred to as
117:
116:
16:(Redirected from
1838:
1332:
1331:
1328:
1295:
1288:
1281:
1272:
1271:
948:
947:
940:in North America
931:
924:
917:
908:
907:
868:
867:
855:
849:
848:
836:
830:
829:
827:
826:
811:
805:
804:
802:
801:
786:
777:
776:
774:
773:
759:
753:
752:
747:
746:
731:
725:
724:
722:
720:
709:
703:
702:
700:
698:
684:
675:
674:
672:
670:
659:
653:
652:
641:
635:
634:
632:
631:
621:
615:
614:
612:
611:
596:
590:
589:
587:
586:
580:
574:. Archived from
573:
565:
416:Magdalen Islands
345:United Kingdom (
294:Netherlands and
280:Saint Barthélemy
192:Magdalen Islands
135:), resulting in
54:
49:
30:
29:
21:
1846:
1845:
1841:
1840:
1839:
1837:
1836:
1835:
1816:
1815:
1814:
1809:
1793:
1755:
1736:
1694:
1590:
1474:
1396:
1324:
1323:
1310:
1305:
1299:
1269:
1264:
1233:
1214:
981:Hawaii–Aleutian
963:Hawaii–Aleutian
941:
935:
877:
872:
871:
856:
852:
837:
833:
824:
822:
812:
808:
799:
797:
787:
780:
771:
769:
761:
760:
756:
744:
742:
732:
728:
718:
716:
711:
710:
706:
696:
694:
686:
685:
678:
668:
666:
661:
660:
656:
643:
642:
638:
629:
627:
623:
622:
618:
609:
607:
598:
597:
593:
584:
582:
578:
571:
567:
566:
562:
557:
545:
462:All six of the
460:
437:
388:
247:
242:
209:No part of the
157:mean solar time
96:
57:
56:
52:
28:
23:
22:
15:
12:
11:
5:
1844:
1834:
1833:
1828:
1811:
1810:
1808:
1807:
1801:
1799:
1798:Related topics
1795:
1794:
1792:
1791:
1786:
1781:
1776:
1771:
1765:
1763:
1757:
1756:
1751:
1749:
1742:
1741:
1738:
1737:
1735:
1734:
1729:
1724:
1719:
1714:
1708:
1706:
1696:
1695:
1693:
1692:
1685:
1680:
1675:
1670:
1663:
1658:
1653:
1646:
1639:
1634:
1627:
1620:
1615:
1610:
1604:
1602:
1592:
1591:
1589:
1588:
1583:
1576:
1571:
1566:
1559:
1554:
1549:
1544:
1539:
1532:
1527:
1520:
1513:
1508:
1501:
1494:
1488:
1486:
1476:
1475:
1473:
1472:
1465:
1458:
1453:
1448:
1443:
1438:
1433:
1428:
1421:
1416:
1410:
1408:
1398:
1397:
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1389:
1384:
1377:
1372:
1367:
1362:
1355:
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1344:
1342:
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1307:
1306:
1298:
1297:
1290:
1283:
1275:
1266:
1265:
1263:
1262:
1257:
1255:Time in Mexico
1252:
1247:
1245:Time in Canada
1242:
1238:
1235:
1234:
1230:
1229:
1224:
1219:
1208:
1207:
1202:
1197:
1191:
1190:
1185:
1180:
1173:
1172:
1167:
1162:
1155:
1154:
1149:
1144:
1137:
1136:
1131:
1126:
1119:
1118:
1113:
1108:
1101:
1100:
1095:
1090:
1084:
1083:
1078:
1073:
1066:
1065:
1060:
1055:
1048:
1047:
1042:
1037:
1030:
1029:
1024:
1019:
1012:
1011:
1006:
1001:
995:
994:
989:
984:
977:
976:
971:
966:
959:
958:
955:
952:
946:
943:
942:
934:
933:
926:
919:
911:
905:
904:
899:
894:
886:
876:
875:External links
873:
870:
869:
850:
831:
806:
778:
754:
726:
715:. May 11, 2017
704:
676:
654:
636:
616:
591:
559:
558:
556:
553:
552:
551:
544:
541:
490:state's Senate
459:
456:
455:
454:
453:
452:
441:
436:
433:
432:
431:
430:
429:
419:
413:
407:
402:
397:
387:
384:
383:
382:
381:
380:
375:
367:
366:
365:
360:
355:
343:
340:
337:
334:
331:
330:
329:
324:
322:Sint Eustatius
319:
314:
309:
304:
292:
289:
288:
287:
282:
277:
272:
260:
257:
254:
251:
246:
243:
241:
238:
115:
114:
110:
109:
105:Observance of
102:
101:
89:
88:
84:
83:
78:
74:
73:
68:
64:
63:
59:
58:
51:
50:
42:
41:
35:
34:
26:
9:
6:
4:
3:
2:
1843:
1832:
1829:
1827:
1824:
1823:
1821:
1806:
1803:
1802:
1800:
1796:
1790:
1787:
1785:
1782:
1780:
1777:
1775:
1772:
1770:
1767:
1766:
1764:
1762:
1758:
1754:
1750:
1747:
1743:
1733:
1730:
1728:
1725:
1723:
1720:
1718:
1715:
1713:
1710:
1709:
1707:
1705:
1701:
1697:
1691:
1690:
1686:
1684:
1681:
1679:
1676:
1674:
1671:
1669:
1668:
1664:
1662:
1659:
1657:
1654:
1652:
1651:
1647:
1645:
1644:
1640:
1638:
1635:
1633:
1632:
1628:
1626:
1625:
1621:
1619:
1616:
1614:
1611:
1609:
1606:
1605:
1603:
1601:
1597:
1593:
1587:
1584:
1582:
1581:
1577:
1575:
1572:
1570:
1567:
1565:
1564:
1560:
1558:
1555:
1553:
1550:
1548:
1545:
1543:
1540:
1538:
1537:
1533:
1531:
1528:
1526:
1525:
1521:
1519:
1518:
1514:
1512:
1509:
1507:
1506:
1502:
1500:
1499:
1495:
1493:
1490:
1489:
1487:
1485:
1481:
1477:
1471:
1470:
1466:
1464:
1463:
1459:
1457:
1454:
1452:
1449:
1447:
1444:
1442:
1439:
1437:
1434:
1432:
1429:
1427:
1426:
1422:
1420:
1417:
1415:
1412:
1411:
1409:
1407:
1403:
1399:
1393:
1390:
1388:
1385:
1383:
1382:
1378:
1376:
1373:
1371:
1368:
1366:
1363:
1361:
1360:
1356:
1354:
1351:
1349:
1346:
1345:
1343:
1341:
1337:
1333:
1330:
1327:
1321:
1317:
1316:standard time
1313:
1308:
1303:
1296:
1291:
1289:
1284:
1282:
1277:
1276:
1273:
1261:
1258:
1256:
1253:
1251:
1248:
1246:
1243:
1240:
1239:
1236:
1228:
1225:
1223:
1220:
1218:
1213:
1210:
1209:
1206:
1203:
1201:
1198:
1196:
1193:
1192:
1189:
1186:
1184:
1181:
1178:
1175:
1174:
1171:
1168:
1166:
1163:
1160:
1157:
1156:
1153:
1150:
1148:
1145:
1142:
1139:
1138:
1135:
1132:
1130:
1127:
1124:
1121:
1120:
1117:
1114:
1112:
1109:
1106:
1103:
1102:
1099:
1096:
1094:
1091:
1089:
1086:
1085:
1082:
1079:
1077:
1074:
1071:
1068:
1067:
1064:
1061:
1059:
1056:
1053:
1050:
1049:
1046:
1043:
1041:
1038:
1035:
1032:
1031:
1028:
1025:
1023:
1020:
1017:
1014:
1013:
1010:
1007:
1005:
1002:
1000:
997:
996:
993:
990:
988:
985:
982:
979:
978:
975:
972:
970:
967:
964:
961:
960:
956:
953:
950:
949:
944:
939:
932:
927:
925:
920:
918:
913:
912:
909:
903:
900:
898:
895:
893:
892:
887:
885:
884:
879:
878:
865:
861:
854:
846:
842:
835:
821:
817:
810:
796:
792:
785:
783:
768:
764:
758:
751:
741:
737:
730:
714:
708:
693:
689:
683:
681:
664:
658:
650:
646:
640:
626:
620:
605:
601:
595:
581:on 2008-12-07
577:
570:
564:
560:
550:
547:
546:
540:
538:
534:
529:
527:
523:
519:
515:
510:
505:
503:
499:
495:
491:
487:
483:
482:New Hampshire
479:
474:
473:Massachusetts
470:
465:
451:
448:
447:
445:
442:
439:
438:
427:
426:63rd meridian
424:(east of the
423:
420:
417:
414:
412:
408:
406:
403:
401:
400:New Brunswick
398:
396:
393:
392:
390:
389:
386:North America
379:
376:
374:
371:
370:
368:
364:
361:
359:
356:
354:
351:
350:
348:
344:
341:
338:
335:
332:
328:
325:
323:
320:
318:
315:
313:
310:
308:
305:
303:
300:
299:
297:
293:
290:
286:
283:
281:
278:
276:
273:
271:
268:
267:
265:
261:
258:
255:
252:
249:
248:
240:Areas covered
237:
235:
230:
228:
224:
220:
216:
212:
207:
205:
201:
197:
193:
189:
185:
181:
177:
173:
172:New Brunswick
168:
166:
162:
158:
154:
150:
146:
142:
138:
134:
130:
126:
122:
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18:Atlantic Time
1748:data sources
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1215:and most of
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1088:Saskatchewan
965:(in Hawaii)
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844:
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657:
648:
645:"Advisories"
639:
628:. Retrieved
619:
608:. Retrieved
594:
583:. Retrieved
576:the original
563:
530:
506:
498:Rhode Island
478:Maine Senate
461:
327:Sint Maarten
285:Saint-Martin
231:
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98:
93:
87:Current time
1753:tz database
767:miamiherald
494:Connecticut
464:New England
395:Nova Scotia
373:Puerto Rico
336:Saint Lucia
262:France and
215:Puerto Rico
176:Nova Scotia
1826:Time zones
1820:Categories
1312:UTC offset
938:Time zones
825:2022-03-17
800:2019-03-12
772:2019-03-12
745:2019-09-10
630:2007-11-16
610:2008-06-02
585:2012-09-11
555:References
363:Montserrat
275:Martinique
270:Guadeloupe
62:UTC offset
1746:Time zone
1469:−00:25:21
1217:Greenland
951:Time zone
719:March 15,
697:March 15,
669:March 15,
514:panhandle
507:In 2018,
444:Greenland
422:Côte-Nord
245:Caribbean
198:observes
188:Côte-Nord
186:(eastern
153:UTC−03:00
137:UTC−04:00
81:UTC−03:00
71:UTC−04:00
39:Time zone
1241:See also
1177:Atlantic
1159:Atlantic
1070:Mountain
1052:Mountain
864:The Hill
845:The Hill
604:Archived
543:See also
418:, Quebec
411:Labrador
409:Most of
353:Anguilla
256:Dominica
253:Barbados
225:and the
217:and the
204:Labrador
190:and the
1141:Eastern
1123:Eastern
1105:Central
1034:Pacific
1016:Pacific
509:Florida
502:Vermont
440:Bermuda
312:Curaçao
307:Bonaire
291:Grenada
163:of the
159:of the
1732:+14:00
1727:+13:45
1722:+13:00
1717:+12:45
1712:+12:00
1689:+11:30
1683:+11:00
1678:+10:30
1673:+10:00
1667:+09:45
1661:+09:30
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1643:+08:30
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1631:+07:30
1624:+07:20
1618:+07:00
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1586:+05:45
1580:+05:40
1574:+05:30
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1563:+04:51
1557:+04:30
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1547:+03:30
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1524:+01:30
1517:+01:24
1511:+01:00
1505:+00:30
1498:+00:20
1492:+00:00
1462:−00:44
1456:−01:00
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1392:−07:00
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1381:−08:30
1375:−09:00
1370:−09:30
1365:−10:00
1359:−10:30
1353:−11:00
1348:−12:00
999:Alaska
500:, and
184:Quebec
178:, and
53:
1322:(DST)
1304:(UTC)
1205:−2:30
1200:−3:30
579:(PDF)
572:(PDF)
469:Maine
302:Aruba
1704:90°W
1700:180°
1600:180°
1596:90°E
1484:90°E
1402:90°W
1340:90°W
1338:to
1336:180°
1318:and
1314:for
721:2018
699:2018
671:2018
317:Saba
119:The
1702:to
1598:to
1482:to
1404:to
987:−10
974:−10
969:−10
149:ADT
133:UTC
129:AST
107:DST
99:ADT
94:AST
77:ADT
67:AST
1822::
1480:0°
1406:0°
1227:−2
1222:−3
1188:−3
1183:−4
1170:−4
1165:−4
1152:−4
1147:−5
1134:−5
1129:−5
1116:−5
1111:−6
1098:−6
1093:−6
1081:−6
1076:−7
1063:−7
1058:−7
1045:−7
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1027:−8
1022:−8
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