Convert AST to BRT — Time Difference Between Antigua and Brasilia Time

How to Convert AST to BRT

Drag the slider on the AST timeline to pick your time — the BRT time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.

What Is the Time Difference Between AST and BRT?

Brasilia Time (BRT) is 1 hour ahead of Antigua (AST). To convert, add 1 hour — for example, 9:00 AM AST is 10:00 AM BRT.

AST to BRT Quick Reference

AST to BRT Meeting Planner

Use the color-coded table above to find overlapping work hours between Antigua and São Paulo. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.

Why Trust This AST to BRT Converter?

Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.