Current time in the America/Rio_Branco time zone

America/Rio_Branco is an IANA time zone used in Brazil. It stays on UTC−5 all year.

America/Rio_Branco at a glance

UTC offset now	UTC−5
Standard time	UTC−5
Used in	Brazil

Rules of the America/Rio_Branco time zone

America/Rio_Branco has stayed on UTC−5 since its last daylight saving period in 1988. Software that still applies an old rule will show the wrong time, so keep tz data up to date.

Recent and upcoming changes in America/Rio_Branco

Date	Change	New offset
Sunday, October 25, 1987	Clocks go forward 1 hour: 12:00 AM becomes 1:00 AM	UTC−4
Saturday, February 6, 1988	Clocks go back 1 hour: 12:00 AM becomes 11:00 PM	UTC−5
Tuesday, June 24, 2008	Standard offset changes from UTC−5 to UTC−4	UTC−4
Saturday, November 9, 2013	Clocks go back 1 hour for good: 12:00 AM becomes 11:00 PM	UTC−5

The base offset of this zone changed in 2013, from UTC−4 to UTC−5. Old timestamps should be converted with the rule that applied at the time.

Where America/Rio_Branco is used

America/Rio_Branco is used in Brazil. These are the largest cities in our list that follow it.

America/Rio_Branco compared with other time zones

Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.

City	Time now	Difference now	In January	In July
New York (United States)	--:--	Same time	Same time	1 h ahead
Los Angeles (United States)	--:--	3 h behind	3 h behind	2 h behind
London (United Kingdom)	--:--	5 h ahead	5 h ahead	6 h ahead
Paris (France)	--:--	6 h ahead	6 h ahead	7 h ahead
Dubai (United Arab Emirates)	--:--	9 h ahead	9 h ahead	9 h ahead
Mumbai (India)	--:--	10 h 30 min ahead	10 h 30 min ahead	10 h 30 min ahead
Singapore	--:--	13 h ahead	13 h ahead	13 h ahead
Tokyo (Japan)	--:--	14 h ahead	14 h ahead	14 h ahead
Sydney (Australia)	--:--	16 h ahead	16 h ahead	15 h ahead
UTC	--:--	5 h ahead	5 h ahead	5 h ahead

Other zones on UTC−5 right now

These IANA zones show the same time as America/Rio_Branco today. Their clock-change rules may differ.

Using America/Rio_Branco in software

Store and send the zone as its IANA name, America/Rio_Branco, not as a fixed offset. A fixed offset such as UTC−5 gives the wrong result after the next clock change.

Show the current time in America/Rio_Branco:

// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/Rio_Branco', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('America/Rio_Branco'))
// PHP
(new DateTime('now', new DateTimeZone('America/Rio_Branco')))->format('c');
# Shell
TZ=America/Rio_Branco date

Tools for time in America/Rio_Branco

Convert a time to or from America/Rio_Branco: pick a date and time and see it in every city on your list.
Add Rio Branco to your world clock to keep it next to your own time.
Find a meeting time that falls inside office hours in America/Rio_Branco and the other cities you work with.
Open a full-screen clock for your own time zone.

Frequently asked questions

What is the UTC offset of America/Rio_Branco?

UTC−5, all year.

Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.