No overlap — one side will join outside working hours
EST (New York)
HKT (Hong Kong)
00:00
12:00Working
01:00
13:00Working
02:00
14:00Working
03:00
15:00Working
04:00
16:00Working
05:00
17:00
06:00
18:00
07:00
19:00
08:00
20:00
09:00Working
21:00off
10:00Working
22:00off
11:00Working
23:00off
12:00Working
00:00+1doff
13:00Working
01:00+1doff
14:00Working
02:00+1doff
15:00Working
03:00+1doff
16:00Working
04:00+1doff
17:00
05:00+1d
18:00
06:00+1d
19:00
07:00+1d
20:00
08:00+1d
21:00
09:00+1dWorking
22:00
10:00+1dWorking
23:00
11:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between est and hkt?
Eastern Standard Time (est) is UTC-4 and Hong Kong Time (hkt) is UTC+8. The difference between them is 12 hours.
Where is est used?
Eastern Standard Time (est) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
How do I convert est to hkt?
Use the interactive converter above. Drag the time slider to any est time and the hkt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
EST (New York) is 12 hours behind HKT (Hong Kong). When it's noon in EST (New York), it's 00:00 in HKT (Hong Kong).
EST (New York) observes America/New_York and HKT (Hong Kong) observes Asia/Hong_Kong — a 12 hours gap between them.
Mutual working hours
When EST (New York) is in standard working hours, HKT (Hong Kong) is not — and vice versa. There is no mutual business window between these two locations.
Meeting time recommendations
No business hours overlap exists between EST (New York) and HKT (Hong Kong). Showing the most balanced options with minimal inconvenience for both locations.
04:00 New York / 16:00 Hong Kong⚡ One side off-hours
⚠️ 5h before working hours in New York
09:00 New York / 21:00 Hong Kong⚡ One side off-hours
⚠️ 5h after working hours in Hong Kong
16:00 New York / 04:00 Hong Kong⚡ One side off-hours
⚠️ 5h before working hours in Hong Kong
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
EST (New York)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
HKT (Hong Kong)6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
EST (New York) and HKT (Hong Kong) — practical scheduling
EST (New York) (USA) and HKT (Hong Kong) (Hong Kong) are 12 hours apart — far enough that standard 9–5 schedules do not overlap. Any real-time meeting means someone is joining outside their normal hours.
💡 Practical scheduling guidelines
⚡
04:00–05:00 in EST (New York) corresponds to 16:00–17:00 in HKT (Hong Kong) (5h before working hours in New York).
⚡
09:00–10:00 in EST (New York) corresponds to 21:00–22:00 in HKT (Hong Kong) (5h after working hours in Hong Kong).
⚡
16:00–17:00 in EST (New York) corresponds to 04:00–05:00 in HKT (Hong Kong) (5h before working hours in Hong Kong).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any EST (New York) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
