BRT to AST Time Converter
Use this BRT to AST time converter to compare Brazil and Canada time instantly. AST is 1 hour behind BRT, so 9:00 AM BRT becomes 8:00 AM AST and 5:00 PM BRT becomes 4:00 PM AST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
BRT to AST Quick Facts
Use this BRT to AST converter to compare Brazil and Canada time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 10:00 AM BRT / 9:00 AM AST.
How to Convert BRT to AST
Converting between Brasilia Time and Atlantic Standard Time means accounting for a 1 hour gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Brasilia Time (UTC -3) that you want to convert. Hit "Now" to load the current BRT time instantly, or use "+1h" to step forward and compare.
The equivalent Atlantic Standard Time (UTC -4) time appears immediately. Since AST is 1 hour behind of BRT, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the AST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our BRT to AST Converter
When someone in Brazil suggests 10:00 AM BRT, that's 9:00 AM AST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night BRT times can land on a different date in AST because of the 1 hour offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the BRT–AST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in BRT. Convert the event time to AST so you know exactly when to tune in — with a 1 hour difference, a morning event in Brazil falls during work hours in Canada.
BRT to AST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Brasilia Time to Atlantic Standard Time full day schedule
| Brasilia Time | Atlantic Standard Time |
|---|---|
| 12:00 AM |
11:00 PM
(previous day)
|
| 1:00 AM |
12:00 AM
|
| 2:00 AM |
1:00 AM
|
| 3:00 AM |
2:00 AM
|
| 4:00 AM |
3:00 AM
|
| 5:00 AM |
4:00 AM
|
| 6:00 AM |
5:00 AM
|
| 7:00 AM |
6:00 AM
|
| 8:00 AM |
7:00 AM
|
| 9:00 AM |
8:00 AM
|
| 10:00 AM |
9:00 AM
|
| 11:00 AM |
10:00 AM
|
| 12:00 PM |
11:00 AM
|
| 1:00 PM |
12:00 PM
|
| 2:00 PM |
1:00 PM
|
| 3:00 PM |
2:00 PM
|
| 4:00 PM |
3:00 PM
|
| 5:00 PM |
4:00 PM
|
| 6:00 PM |
5:00 PM
|
| 7:00 PM |
6:00 PM
|
| 8:00 PM |
7:00 PM
|
| 9:00 PM |
8:00 PM
|
| 10:00 PM |
9:00 PM
|
| 11:00 PM |
10:00 PM
|
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