Current Time in Boa Vista

Daylight saving time in Boa Vista

Boa Vista does not observe daylight saving time. Its offset stays at UTC-04:00 every day of the year, which makes it one of the simpler zones to work with: a fixed offset is enough to convert any timestamp, and there are no missing or repeated local hours.

Converting timestamps for this zone in code

Always pass the IANA identifier America/Boa_Vista rather than a numeric offset. The identifier carries the zone's entire history of offset and daylight saving changes, so a timestamp from any year converts correctly; a hard-coded offset is only right until the next rule change.

# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.fromtimestamp(1710050400, ZoneInfo("America/Boa_Vista"))

// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/Boa_Vista',
  dateStyle: 'full', timeStyle: 'long' }).format(new Date(1710050400 * 1000));

<?php // PHP
(new DateTimeImmutable("@1710050400"))->setTimezone(new DateTimeZone("America/Boa_Vista"));

More languages on the code examples pages.