What is HKT in AST?
Atlantic Time is 11 hours behind
Hong Kong Time is on UTC+8:00 and Atlantic Time is on UTC−3:00 right now. Atlantic Time is on daylight saving, so its clocks read ADT. The gap changes during the year — see below.
- Time in Hong Kong
- 8:03:51 PM
- Time in Halifax
- 9:03:51 AM
- Difference
- −11 h
- Next clock change
- November 1, 2026
Convert a time
ADT — Atlantic Time
9:00 am
ADT, Fri
When the difference changes
Hong Kong Time and Atlantic Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:
- Now – November 1, 2026Atlantic Time is 11 hours behind
- November 1, 2026 – March 14, 2027Atlantic Time is 12 hours behind
- March 14, 2027 – onwardsAtlantic Time is 11 hours behind
Periods shorter than a day are not listed. Each zone changes at its own local time, so on a date when both move there are a few hours when the gap is briefly something else.
Daylight saving
Hong Kong Time
Hong Kong Time stays on HKT all year, so its offset from UTC never moves.
Atlantic Time
Clocks go back one hour — 2:00 am becomes 1:00 am local time, and the zone is on AST after that.
HKT to AST conversion table
Every hour of Friday, September 25, 2026, converted from Hong Kong Time to Atlantic Time. 11 of the 24 hours fall on a different calendar day in Halifax, which is marked.
- 12:00 am HKT
- 1:00 pm ADT−1 day
- 1:00 am HKT
- 2:00 pm ADT−1 day
- 2:00 am HKT
- 3:00 pm ADT−1 day
- 3:00 am HKT
- 4:00 pm ADT−1 day
- 4:00 am HKT
- 5:00 pm ADT−1 day
- 5:00 am HKT
- 6:00 pm ADT−1 day
- 6:00 am HKT
- 7:00 pm ADT−1 day
- 7:00 am HKT
- 8:00 pm ADT−1 day
- 8:00 am HKT
- 9:00 pm ADT−1 day
- 9:00 am HKT
- 10:00 pm ADT−1 day
- 10:00 am HKT
- 11:00 pm ADT−1 day
- 11:00 am HKT
- 12:00 am ADT
- 12:00 pm HKT
- 1:00 am ADT
- 1:00 pm HKT
- 2:00 am ADT
- 2:00 pm HKT
- 3:00 am ADT
- 3:00 pm HKT
- 4:00 am ADT
- 4:00 pm HKT
- 5:00 am ADT
- 5:00 pm HKT
- 6:00 am ADT
- 6:00 pm HKT
- 7:00 am ADT
- 7:00 pm HKT
- 8:00 am ADT
- 8:00 pm HKT
- 9:00 am ADT
- 9:00 pm HKT
- 10:00 am ADT
- 10:00 pm HKT
- 11:00 am ADT
- 11:00 pm HKT
- 12:00 pm ADT
Scheduling between the two
There is no overlap between a nine-to-six working day in Hong Kong and one in Halifax — the gap is too wide. A call has to sit early or late for one side. Early morning in Hong Kong is the usual compromise, since that is late afternoon or evening in Halifax.
A note on AST: it can also mean Arabia Standard Time (UTC+3). This page means Atlantic Time.
Atlantic Time (ADT) is used in Nova Scotia, New Brunswick and Puerto Rico
Other conversions
- AST to HKT
- HKT to UTC
- HKT to GMT
- HKT to EST
- HKT to CST
- HKT to MST
- HKT to PST
- HKT to AKST
- HKT to HST
- HKT to BST
- HKT to CET
- HKT to IST
- HKT to CST (China)
- HKT to JST
- HKT to AEST
- HKT to Mexico City
- HKT to BRT
- HKT to ART
- HKT to EET
- HKT to WET
- HKT to MSK
- HKT to TRT
- HKT to SAST
- HKT to WAT
- HKT to EAT
- HKT to GST
- HKT to PKT
- HKT to ICT
- HKT to WIB
- HKT to SGT
- HKT to KST
- HKT to PHT
- HKT to AWST
- HKT to ACST
- HKT to NZST
- All zones