Which Brazilian city has the longest day today?

Chuí (RS) has the longest day among the 5,571 municipalities today, with 13h 22min of daylight (sunrise at 05:36, sunset at 18:59). The 50th place has 13h 12min.

And at the other extreme?

At the opposite end of the list is Uiramutã (RR) with 11h 57min (shortest day). The gap between the two extremes today is 85 minutes.

Does day length depend on the time zone?

No. Day length is the interval between sunrise and sunset, so it is the same on any clock. It depends on latitude and on the date: today it ranges from 11h 57min to 13h 22min across Brazil.

Where does Brasília (DF) rank today?

The capital ranks 3,109th of 5,571 in this list, with a day of 12h 38min. Brasília lies at 15.8°S, 47.9°W.

Does this ranking change over the year?

Yes. It is recalculated every day for the Brasília date (2026-10-29). The order of the cities shifts with the seasons because the Sun moves between the hemispheres, and with the equation of time, a small seasonal drift of solar noon of up to about 16 minutes.

How are the times calculated?

With astronomical formulas (NOAA algorithm) applied to the coordinates of each municipality, using the Sun's center at 0.833° below the horizon, which includes atmospheric refraction and the Sun's radius. Terrain, altitude and local weather are not considered, so published times can differ by a minute or two.

Cities With the Longest Day in Brazil Today: Top 50

On Thursday, October 29, 2026, the longest day in Brazil is in Chuí (RS), with 13h 22min between sunrise and sunset. Below are the 50 Brazilian cities, out of 5,571, with the most daylight today.

Top 50: longest day in Brazil

Today's ranking, October 29, 2026
#	City	UF	Day length	Sunrise	Sunset
1	Chuí	RS	13h 22min	05:36	18:59
2	Santa Vitória do Palmar	RS	13h 22min	05:36	18:58
3	Jaguarão	RS	13h 19min	05:37	18:57
4	Arroio Grande	RS	13h 18min	05:37	18:55
5	Rio Grande	RS	13h 17min	05:33	18:51
6	Herval	RS	13h 17min	05:38	18:56
7	São José do Norte	RS	13h 17min	05:33	18:50
8	Aceguá	RS	13h 17min	05:41	18:59
9	Pedro Osório	RS	13h 17min	05:36	18:53
10	Cerrito	RS	13h 17min	05:36	18:53
11	Pelotas	RS	13h 17min	05:34	18:51
12	Capão do Leão	RS	13h 16min	05:35	18:52
13	Pedras Altas	RS	13h 16min	05:39	18:56
14	Morro Redondo	RS	13h 16min	05:36	18:52
15	Pinheiro Machado	RS	13h 16min	05:39	18:55
16	Candiota	RS	13h 16min	05:40	18:56
17	Piratini	RS	13h 16min	05:38	18:54
18	Arroio do Padre	RS	13h 16min	05:35	18:51
19	Turuçu	RS	13h 16min	05:34	18:50
20	Hulha Negra	RS	13h 16min	05:41	18:57
21	Canguçu	RS	13h 15min	05:36	18:52
22	São Lourenço do Sul	RS	13h 15min	05:33	18:49
23	Bagé	RS	13h 15min	05:42	18:58
24	Tavares	RS	13h 15min	05:30	18:46
25	Mostardas	RS	13h 15min	05:29	18:45
26	Cristal	RS	13h 14min	05:34	18:49
27	Dom Pedrito	RS	13h 14min	05:45	18:59
28	Arambaré	RS	13h 14min	05:32	18:47
29	Sant'Ana do Livramento	RS	13h 14min	05:48	19:03
30	Amaral Ferrador	RS	13h 14min	05:35	18:50
31	Santana da Boa Vista	RS	13h 14min	05:39	18:53
32	Camaquã	RS	13h 14min	05:33	18:48
33	Lavras do Sul	RS	13h 14min	05:42	18:56
34	Chuvisca	RS	13h 14min	05:34	18:48
35	Dom Feliciano	RS	13h 14min	05:35	18:49
36	Tapes	RS	13h 13min	05:32	18:46
37	Sentinela do Sul	RS	13h 13min	05:33	18:47
38	Cerro Grande do Sul	RS	13h 13min	05:33	18:47
39	Encruzilhada do Sul	RS	13h 13min	05:37	18:50
40	Caçapava do Sul	RS	13h 13min	05:41	18:54
41	Sertão Santana	RS	13h 13min	05:33	18:46
42	Barão do Triunfo	RS	13h 13min	05:34	18:47
43	Quaraí	RS	13h 13min	05:53	19:06
44	Mariana Pimentel	RS	13h 13min	05:33	18:46
45	Vila Nova do Sul	RS	13h 13min	05:42	18:55
46	Santa Margarida do Sul	RS	13h 13min	05:43	18:56
47	São Gabriel	RS	13h 13min	05:44	18:57
48	Barra do Ribeiro	RS	13h 12min	05:32	18:45
49	Rosário do Sul	RS	13h 12min	05:47	19:00
50	Palmares do Sul	RS	13h 12min	05:29	18:42

At the other extreme: shortest day

The last 10 places of this ranking, out of 5,571 municipalities, are the top 10 of the opposite ranking, Shortest day.

Last 10 places
#	City	UF	Day length
5571	Uiramutã	RR	11h 57min
5570	Pacaraima	RR	11h 58min
5569	Normandia	RR	11h 59min
5568	Oiapoque	AP	11h 59min
5567	Amajari	RR	11h 59min
5566	Bonfim	RR	12h 00min
5565	Alto Alegre	RR	12h 01min
5564	Boa Vista	RR	12h 01min
5563	Cantá	RR	12h 01min
5562	Calçoene	AP	12h 01min

Why is the result what it is?

This ranking sorts the 5,571 Brazilian municipalities by day length, the time between sunrise and sunset, for the Brasília date shown above. Today the longest day is in Chuí (RS) with 13h 22min of daylight, against 13h 12min in 50th place (Palmares do Sul (RS)). Between the longest day (Chuí (RS), 13h 22min) and the shortest (Uiramutã (RR), 11h 57min) in the country there are 85 minutes of difference. By state, the list has: Rio Grande do Sul (50).

Why? Day length depends almost entirely on latitude and the time of year. Brazil lies on both sides of the Equator, and the Earth's axis is tilted by about 23.4°, so the hemisphere leaning toward the Sun gets longer days. Today that is the southern side of the country, and the farther a city is from the Equator in that direction (Chuí (RS) is at 33.7°S), the longer its day. The opposite end of the country, Uiramutã (RR) (4.6°N), is the one that loses daylight. Near the Equator the day is always close to 12 hours, which is why equatorial cities hardly move in this ranking over the year.

Unlike the sunrise and sunset rankings, day length does not depend on the time zone or on longitude: Fernando de Noronha, Acre and the rest of the country are compared fairly because only the interval between the two events matters. The ranking changes every day and reverses around the equinoxes, when the southern and northern extremes swap places; at the June and December solstices the contrast is at its peak, and Brazil's far south has the most daylight of the whole country in summer (December) and the least in winter (June). The southernmost municipality in the dataset is Chuí (RS) and the northernmost is Uiramutã (RR), the two ends of the classic "from Oiapoque to Chuí".

Time zones and day length

Day length is the same on any clock, so time zones do not affect this ranking. The "Sunrise" and "Sunset" columns are shown in the local time of each city (Fernando de Noronha uses UTC−2, most of the country UTC−3, the Center-West and Amazonas UTC−4 and Acre UTC−5).

Brazilian cities with the longest day today