Is there a time change from Newark to antigua?

Yes, there is a time difference between Newark, New Jersey, and Antigua. Newark operates on Eastern Standard Time (EST) or Eastern Daylight Time (EDT) depending on the season, while Antigua is in the Atlantic Standard Time (AST) zone, which does not observe daylight saving time. Typically, Antigua is one hour ahead of Newark when Newark is on standard time and the same time as Newark when it is on daylight saving time.