Convert AST to -04 — Time Difference Between Atlantic Standard Time and Manaus
Drag the slider or click the time display to type a specific hour and instantly convert AST to -04 — Manaus and Atlantic Standard Time are in the same timezone. Scroll down to browse the full AST to -04 conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in San Juan is in Manaus, and use the date picker to compare times on any day for accurate scheduling.
AST
Atlantic Standard Time
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-04
Manaus
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AST to -04 Time Zone Difference — Hour-by-Hour Conversion Table
Scan each row to find what time any hour in San Juan is in Manaus — tap the arrows to jump between days, click "Today" to reset, and use the color-coded bands to quickly spot overlapping work hours, early mornings, and late nights at a glance.
| AST (San Juan) | -04 (Manaus) |
|---|
How to Convert AST to -04
Drag the slider on the AST timeline to pick your time — the -04 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 -04?
Atlantic Standard Time (AST) and Manaus (-04) share the same UTC offset (UTC-4:00), so there is no time difference between San Juan and Manaus.
What Time Is It Now in San Juan?
What Time Is It Now in Manaus?
AST to -04 Meeting Planner
Use the color-coded table above to find overlapping work hours between San Juan and Manaus. 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 -04 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.
Atlantic Standard Time
- Abbreviation
- AST
- UTC Offset
- UTC-4:00
- City
- San Juan
- Country
- Puerto Rico
Manaus
- Abbreviation
- -04
- UTC Offset
- UTC-4:00
- City
- Manaus
- Country
- Brazil