No overlap — one side will join outside working hours
SGT (Singapore)
EDT (New York)
00:00
12:00-1dWorking
01:00
13:00-1dWorking
02:00
14:00-1dWorking
03:00
15:00-1dWorking
04:00
16:00-1dWorking
05:00
17:00-1d
06:00
18:00-1d
07:00
19:00-1d
08:00
20:00-1d
09:00Working
21:00-1doff
10:00Working
22:00-1doff
11:00Working
23:00-1doff
12:00Working
00:00off
13:00Working
01:00off
14:00Working
02:00off
15:00Working
03:00off
16:00Working
04:00off
17:00
05:00
18:00
06:00
19:00
07:00
20:00
08:00
21:00
09:00Working
22:00
10:00Working
23:00
11:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between sgt and edt?
Singapore Time (sgt) is UTC+8 and Eastern Daylight Time (edt) is UTC-4. The difference between them is 12 hours.
Where is sgt used?
Singapore Time (sgt) is used in Singapore and surrounding regions. The IANA timezone identifier is Asia/Singapore.
Where is edt used?
Eastern Daylight Time (edt) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
How do I convert sgt to edt?
Use the interactive converter above. Drag the time slider to any sgt time and the edt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
How far apart are SGT (Singapore) and EDT (New York)?
SGT (Singapore) is 12 hours ahead of EDT (New York). At noon in SGT (Singapore), your contact in EDT (New York) sees 00:00.
SGT (Singapore) runs on Asia/Singapore; EDT (New York) runs on America/New_York. Together they are 12 hours apart.
Daily overlap window
There is no business hours overlap between SGT (Singapore) and EDT (New York) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
SGT (Singapore) and EDT (New York) have no shared working window. These slots minimize out-of-hours disruption for both sides.
04:00 Singapore / 16:00 New York⚡ One side off-hours
⚠️ 5h before working hours in Singapore
09:00 Singapore / 21:00 New York⚡ One side off-hours
⚠️ 5h after working hours in New York
16:00 Singapore / 04:00 New York⚡ One side off-hours
⚠️ 5h before working hours in New York
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
SGT (Singapore)3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
EDT (New York)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Scheduling between SGT (Singapore) and EDT (New York)
Coordinating between SGT (Singapore) (Singapore) and EDT (New York) (USA) means working around a 12-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 Scheduling tips for these locations
⚡
A 04:00 meeting in SGT (Singapore) means 16:00 in EDT (New York) (5h before working hours in Singapore).
⚡
A 09:00 meeting in SGT (Singapore) means 21:00 in EDT (New York) (5h after working hours in New York).
⚡
A 16:00 meeting in SGT (Singapore) means 04:00 in EDT (New York) (5h before working hours in New York).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am SGT (Singapore)".
