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America/St_Thomas

America/St_Thomas is the IANA time zone for the U.S. Virgin Islands.

UTC−04:00

Tue, Sep 29 UTC−4 AST

Offsets and daylight saving time

Standard offset
UTC−04:00
Rule
No daylight saving time: UTC−4 all year.

No clock changes are scheduled in the next three years.

Names

Generic name
Atlantic Standard Time
Abbreviation
AST
Long name
Atlantic Standard Time

In the tz database, America/St_Thomas is a link (alias) to America/Puerto_Rico: the two always show the same time.

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'America/St_Thomas' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('America/St_Thomas')

-- PostgreSQL
SELECT now() AT TIME ZONE 'America/St_Thomas';

Cities in America/St_Thomas

Offset history since 1970

  • 1970–2026: UTC−4

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