New York operates on Eastern Standard Time (EST) during winter months, which is 5 hours behind Coordinated Universal Time (UTC-5). During daylight saving time, observed from the second Sunday in March to the first Sunday in November, New York switches to Eastern Daylight Time (EDT), which is UTC-4.
All of New York follows the same time zone. Major cities including New York City, Buffalo, Rochester, Yonkers, and Syracuse all observe Eastern Time. This makes scheduling across New York straightforward, as there's no time difference within the state.
New York City is the world's financial capital, making Eastern Time one of the most important time zones globally. When it's 9:30 AM in New York, the stock market opens. It's 2:30 PM in London and 6:30 AM in Los Angeles, coordinating global markets.