5 hours but it depends on if NY using Eastern Standard Time (EST) when observing standard time in the Winter and Eastern Daylight Time (EDT) when observing daylight saving time in the Summer.
5 hours. I am going to go to ireland and england this summer and I live in ny too. I can't wait!
The time difference is 5 hours. New york is 5 hours behind from Ireland. For authentication of the information, visit the following link.