Yes. This is your friend:
http://www.timeanddate.com/worldclock/converter.html
Just enter 7:00 a.m. March 30th, New York City, New York. The convert it to whereever you live. Easy Peasy.
or learn how many time zones are in the country that you live in...
I'm assuming if (s)he was capable of that, he wouldn't have asked the question.