Grenada uses Atlantic Standard Time (AST), which is UTC-4.

Grenada does not observe Daylight Saving Time. The country remains on Atlantic Standard Time (AST, UTC-4) throughout the year.

During Eastern Standard Time (EST) in New York City, the time difference between Grenada (UTC-4) and New York City (UTC-5) is 1 hour, with Grenada being ahead. During Daylight Saving Time in New York City, the time difference is the same since Grenada does not observe DST.

Yes, Grenada shares its time zone (UTC-4) with several other Caribbean islands, including Barbados, Trinidad and Tobago, and Saint Lucia.