Canada Atlantic Time to India Standard Time
Convert times between Canada Atlantic Time (AST, UTC-4:00) and India Standard Time (IST, UTC+5:30). India Standard Time is 9.5 hours ahead of Canada Atlantic Time in standard time. During daylight saving time this difference changes to 8.5 hours.
UTC-4:00 / -3:00→UTC+5:30
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Canada Atlantic Time | AST / ADT | UTC-4:00 | UTC-3:00 | Canada |
| India Standard Time | IST | UTC+5:30 | — | India |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (AST → IST)
| Canada Atlantic Time | India Standard Time |
|---|---|
| 12:00 AM AST | 9.5:00 AM IST |
| 6:00 AM AST | 3.5:00 PM IST |
| 9:00 AM AST | 6.5:00 PM IST |
| 12:00 PM AST | 9.5:00 PM IST |
| 3:00 PM AST | 0.5:00 AM (next day) IST |
| 6:00 PM AST | 3.5:00 AM (next day) IST |
| 9:00 PM AST | 6.5:00 AM (next day) IST |
Summer (DST) Conversion (ADT → IST)
| Canada Atlantic Time (summer) | India Standard Time (summer) |
|---|---|
| 12:00 AM ADT | 8.5:00 AM IST |
| 6:00 AM ADT | 2.5:00 PM IST |
| 9:00 AM ADT | 5.5:00 PM IST |
| 12:00 PM ADT | 8.5:00 PM IST |
| 3:00 PM ADT | 11.5:00 PM IST |
| 6:00 PM ADT | 2.5:00 AM (next day) IST |
| 9:00 PM ADT | 5.5:00 AM (next day) IST |
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 9.5h (standard) and 8.5h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert AST to IST?
Add 9.5 hours to the AST time to get IST. For example, 9:00 AM AST = 6.5:00 PM IST.
What is the current UTC offset for Canada Atlantic Time?
Canada Atlantic Time is UTC-4:00 during standard time (AST) and UTC-3:00 during summer daylight saving time (ADT).
Is India Standard Time ahead or behind Canada Atlantic Time?
India Standard Time is 9.5 hours ahead of Canada Atlantic Time in standard time.
When is a good time to schedule a meeting between AST and IST?
Due to the 9.5-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
Canada Atlantic Time → US Eastern TimeAST / ESTCanada Atlantic Time → US Central TimeAST / CSTCanada Atlantic Time → US Mountain TimeAST / MSTCanada Atlantic Time → US Pacific TimeAST / PSTCanada Atlantic Time → US Alaska TimeAST / AKSTCanada Atlantic Time → Hawaii TimeAST / HSTCanada Atlantic Time → Pakistan Standard TimeAST / PKTCanada Atlantic Time → Bangladesh Standard TimeAST / BST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.