Cuiaba to Rio Branco Time Converter

Updating current time…
Cuiaba
BrazilAMT
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Rio Branco
BrazilACT
UTC−5
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 AMT (UTC-4), Nov 1, 2026 = 7:00 am07:00 ACT (UTC-5), Nov 1, 2026

Cuiabá is 1 hour ahead of Rio Branco.

How the time difference changes

Cuiaba is 1 hour ahead of Rio Branco year-round.

Working hours of 9:00 am to 6:00 pm in Cuiaba correspond to 8:00 am to 5:00 pm in Rio Branco.Working hours of 09:00 to 18:00 in Cuiaba correspond to 08:00 to 17:00 in Rio Branco.

Compare Cuiaba time with Rio Branco time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

AMT (Amazon Time) is 1 hour ahead of ACT (Acre Time).
8:00 am08:00 in Cuiaba, Brazil is 7:00 am07:00 in Rio Branco, Brazil

Cuiabá to Rio Branco call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Cuiabá which corresponds to 9am-5pm09:00-17:00 in Rio Branco

8:00 am08:00 AMT (Amazon Time) (Cuiaba, Brazil). Offset UTC -4:00 hours
7:00 am07:00 ACT (Acre Time) (Rio Branco, Brazil). Offset UTC -5:00 hours

8:00 am08:00 Cuiaba, Brazil / 7:00 am07:00 Rio Branco, Brazil

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Cuiaba, BrazilRio Branco, Brazil
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Cuiabá Time Zone and Facts

Time Zone

Abbreviation / Offset
AMT – Amazon Time, UTC-4 (no daylight saving time)

Cuiabá Facts

Country
Brazil
Alternative Names
CGB, Cuiaba, Cuiabá, Cuyaba, Cuyabá, Kouiampa, Kujaba, Kuyaba, Vila Real do Senhor Bom Jesus de Cuiaba, Vila Real do Senhor Bom Jesus de Cuiabá, ku ya ba, ku-iaba, kuiaba, kuyaba, kwyaba, kwyyaba, Κουιαμπά, Куяба, Кујаба, קויאבה, كويابا, کوئیابا, کویابا, कुयाबा, কুয়াবা, กุยาบา, კუიაბა, クイアバ, 库亚巴, 쿠이아바
Population
618,124
Currency
Real (BRL)
Geographic Coordinates
15° 35' S Latitude / 56° 05' W Longitude
International Dialing Code
+55
More About Cuiabá
Cuiabá local time and city facts

Rio Branco Time Zone and Facts

Time Zone

Abbreviation / Offset
ACT – Acre Time, UTC-5 (no daylight saving time)

Rio Branco Facts

Country
Brazil
Alternative Names
Penapolis, Penápolis, RBR, Rio Bran'ko, Rio Branco, Rio Brankas, Rio Branko, Riu Branco, Riu-Branku, Riubranku, Río Branco, hiubeulangku, li yue bu lan ke, ri xu brang ku, ri'o branko, rioburanko, riyo branko, ryw brankw, ryw brnqw, Ρίο Μπράνκο, Рио Бранко, Риу-Бранку, Ріу-Бранку, ריו ברנקו, ريو برانكو, ریو برانکو, रियो ब्रांको, রিও ব্রাঙ্কো, รีอูบรังกู, რიუ-ბრანკუ, リオブランコ, 里約布蘭科, 히우브랑쿠
Population
419,452
Currency
Real (BRL)
Geographic Coordinates
9° 58' S Latitude / 67° 48' W Longitude
International Dialing Code
+55
More About Rio Branco
Rio Branco local time and city facts