Statutes governing New Yorks age of consent, associated criminal charges, available defenses, and penalties for conviction. In New York, it is illegal for an adult (someone 18 or older) to have sex with a minor (someone younger than 17), even if the sex is consensual.

Can a 17 year old date a 14-year-old in New York?

It is not illegal for a 17-year-old to date a 14-year-old in New York State. If the 17-year-old were to have sex with the 14-year-old (or with any person under the age or 17, for that matter), however, then the 17-year-old could be charged

Is it weird for a 16 year old to date a 18 year old?

No this is not illegal. Simply dating a person over age 18 is not illegal. It can become illegal for a person who is 18 once sex is involved.