It is 20:34 on Friday, October 2, 2026 in St Thomas, U.S. Virgin Islands. The city runs on UTC-4 (AST), which puts it 1 hour behind Brasília.
Time zone and UTC offset in St Thomas
St Thomas follows the America/St_Thomas time zone, abbreviated AST. Right now its offset from Coordinated Universal Time is UTC-4.
St Thomas does not observe daylight saving time and no clock change is scheduled for the next year. Its offset stays at UTC-4 all year round. Brazil abolished daylight saving time in 2019, so the gap between the two stays fixed at 1 hour. That makes scheduling predictable: a meeting booked for any date of the year at a given Brasília time always lands at the same local time in St Thomas.
Time difference between Brasília and St Thomas
To convert, take Brasília time and subtract 1 hour; early in the morning in Brasília it may still be the previous day in St Thomas. The table uses today's offsets.
Going the other way, local noon in St Thomas is 13:00 in Brasília, and local midnight is 01:00 in Brasília. Because St Thomas is behind, its calendar date is still the previous day in the first 1 hour after midnight in Brasília (until 01:00). Keep this in mind for deadlines, flights and anything scheduled around the start or end of a day.
| Brasília (UTC-3) | St Thomas (UTC-4) |
|---|---|
| 06:00 | 05:00 |
| 09:00 | 08:00 |
| 12:00 | 11:00 |
| 15:00 | 14:00 |
| 18:00 | 17:00 |
| 21:00 | 20:00 |
Best time to call St Thomas from Brazil
Taking a 9:00 to 18:00 working day on both sides, the shared window runs from 10:00 to 18:00 in Brasília, which is 09:00 to 17:00 in St Thomas. That is nearly the whole working day, so scheduling is easy.
For several cities at once, use the meeting planner, or convert any hour with the time zone converter.
Sunrise and sunset in St Thomas today
Today the Sun rises in St Thomas at 06:10 and sets at 18:07 local time, a daylight span of 11h 56min, with solar noon at 12:09. See other places on the sunrise and sunset page.
Where is St Thomas?
St Thomas is at 18.35° N, 64.93° W (country: U.S. Virgin Islands). Compare more places on world time or in the list of cities.