Quick answer
9 AM GMT is 4 AM in New York (EST) in winter. During US daylight saving time, 9 AM GMT is 5 AM in New York (EDT). New York is 5 hours behind GMT in winter and 4 hours behind in summer.
How to use this time conversion
A 9 AM London time slot is too early for New York in most business contexts. This conversion is relevant for UK teams trying to determine when their morning meeting will reach US East Coast colleagues. New York can participate from 2 PM GMT (9 AM EST) in winter, or 1 PM GMT (9 AM EDT) in summer.
What is 9 AM GMT in New York?
9 AM GMT is 4 AM EST in winter or 5 AM EDT in summer in New York. This is generally too early for a standard New York business meeting.
Why can the answer change?
The answer can change when one location observes daylight saving time and the other does not, or when they switch clocks on different dates.
What London time should I use to reach New York at 9 AM?
To reach New York at 9 AM, you need 2 PM GMT in winter (EST) or 1 PM GMT in summer (EDT). Use the main Meeting Time Finder to confirm today's exact overlap.
Can I compare this with more people?
Yes. Use the main Meeting Time Finder to add every participant and find the shared working-hours overlap.
Related timezone pages
new york london · london singapore · 9am gmt in dubai · 10am gmt in new york