Indochina Time to Canada Atlantic Time
Convert times between Indochina Time (ICT, UTC+7:00) and Canada Atlantic Time (AST, UTC-4:00). Canada Atlantic Time is 11 hours behind Indochina Time in standard time. During daylight saving time this difference changes to 10 hours.
UTC+7:00→UTC-4:00 / -3:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Indochina Time | ICT | UTC+7:00 | — | Thailand / Vietnam |
| Canada Atlantic Time | AST / ADT | UTC-4:00 | UTC-3:00 | Canada |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (ICT → AST)
| Indochina Time | Canada Atlantic Time |
|---|---|
| 12:00 AM ICT | 1:00 PM (prev day) AST |
| 6:00 AM ICT | 7:00 PM (prev day) AST |
| 9:00 AM ICT | 10:00 PM (prev day) AST |
| 12:00 PM ICT | 1:00 AM AST |
| 3:00 PM ICT | 4:00 AM AST |
| 6:00 PM ICT | 7:00 AM AST |
| 9:00 PM ICT | 10:00 AM AST |
Summer (DST) Conversion (ICT → ADT)
| Indochina Time (summer) | Canada Atlantic Time (summer) |
|---|---|
| 12:00 AM ICT | 2:00 PM (prev day) ADT |
| 6:00 AM ICT | 8:00 PM (prev day) ADT |
| 9:00 AM ICT | 11:00 PM (prev day) ADT |
| 12:00 PM ICT | 2:00 AM ADT |
| 3:00 PM ICT | 5:00 AM ADT |
| 6:00 PM ICT | 8:00 AM ADT |
| 9:00 PM ICT | 11:00 AM ADT |
Daylight Saving Time (DST) Notes
- Canada Atlantic Time observes DST. Clocks advance 1 hour to ADT (UTC-3:00) roughly from month 3 to 11.
- The offset difference shifts between 11h (standard) and 10h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert ICT to AST?
Add (-11) hours to the ICT time to get AST. For example, 9:00 AM ICT = 10:00 PM AST.
What is the current UTC offset for Indochina Time?
Indochina Time is always UTC+7:00 (ICT) — it does not observe DST.
Is Canada Atlantic Time ahead or behind Indochina Time?
Canada Atlantic Time is 11 hours behind Indochina Time in standard time.
When is a good time to schedule a meeting between ICT and AST?
Due to the 11-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
Indochina Time → US Eastern TimeICT / ESTIndochina Time → US Central TimeICT / CSTIndochina Time → US Mountain TimeICT / MSTIndochina Time → US Pacific TimeICT / PSTIndochina Time → US Alaska TimeICT / AKSTIndochina Time → Hawaii TimeICT / HSTIndochina Time → Singapore TimeICT / SGTIndochina Time → Greenwich Mean TimeICT / GMT
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.