New York may be on EDT in summer, which makes the Singapore result one hour earlier.
Exact conversion
9 AM EST = 10 PM Singapore
If the source is EDT instead of EST, it is 9 PM Singapore. Either way, this is late for a normal recurring work meeting.
Use this answer without making a timezone mistake
This is especially important for recurring calls around daylight-saving transition weeks.
Use Meeting Time Finder when the call involves multiple cities or normal working hours.
What is 9 AM EST in Singapore?
9 AM EST is 10 PM in Singapore. If the source is New York during daylight saving time, 9 AM EDT is 9 PM in Singapore.
Why can the answer change by one hour?
Daylight saving time can change the offset for one city while the other city stays fixed or changes on a different date.
How should I write this in a meeting invite?
Write the time with both cities and the date, for example: 3 PM London / 10 AM New York on June 14.
Can I compare this with more than two cities?
Yes. Use the main Meeting Time Finder tool to add multiple people, cities, and working hours.
Related timezone tools
New York to Singapore meeting time · London to Singapore meeting time · New York to London · London to Singapore · New York to Singapore · Sydney to New York