Today, Saturday, October 3, 2026, the Sun rises at 05:30 and sets at 17:39 in Lagoa de São Francisco (PI), local time UTC-3. Daylight lasts 12h 9min, 14s more than yesterday.
The Sun today in Lagoa de São Francisco
It's nighttime now Sunrise in 11h 41min.
Compared with yesterday, today is 14s longer, and tomorrow will be 15s longer than today: in Lagoa de São Francisco the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 11:35, which is 25 minutes before 12:00 on the clock. That gap comes from the position of Lagoa de São Francisco inside its time zone (UTC-3) and from the equation of time, which moves solar noon by up to 16 minutes through the year.
Twilight and golden hour
| Phase | Time |
|---|---|
| Civil twilight begins | 05:10 |
| Morning golden hour | 05:30 – 05:58 |
| Sunrise | 05:30 |
| Solar noon | 11:35 |
| Evening golden hour | 17:12 – 17:39 |
| Sunset | 17:39 |
| Civil twilight ends | 18:00 |
In Lagoa de São Francisco civil twilight lasts 21 minutes at each end of the day today, so it is light enough to walk outdoors from 05:10 to 18:00. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 27 minutes in the morning and 27 minutes in the evening (photographers also use it for the best light on landscapes and portraits).
Next 7 days
| Date | Sunrise | Sunset | Length | Change |
|---|---|---|---|---|
| Sat, Oct 3 | 05:30 | 17:39 | 12h 9min | +14s |
| Sun, Oct 4 | 05:30 | 17:39 | 12h 9min | +15s |
| Mon, Oct 5 | 05:30 | 17:39 | 12h 9min | +15s |
| Tue, Oct 6 | 05:29 | 17:39 | 12h 9min | +14s |
| Wed, Oct 7 | 05:29 | 17:39 | 12h 10min | +15s |
| Thu, Oct 8 | 05:28 | 17:39 | 12h 10min | +14s |
| Fri, Oct 9 | 05:28 | 17:38 | 12h 10min | +15s |
Day length through the year in Lagoa de São Francisco
View data table
| Month | Day length |
|---|---|
| January | 12h 20min |
| February | 12h 14min |
| March | 12h 07min |
| April | 12h 00min |
| May | 11h 54min |
| June | 11h 52min |
| July | 11h 53min |
| August | 11h 58min |
| September | 12h 04min |
| October | 12h 12min |
| November | 12h 18min |
| December | 12h 22min |
How day length changes through the year in Lagoa de São Francisco
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 05:50 | 17:57 | 12h 6min |
| June solstice (start of winter) | June 21 | 05:52 | 17:44 | 11h 52min |
| September equinox (start of spring) | September 22 | 05:35 | 17:42 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:33 | 17:55 | 12h 22min |
The longest days in Lagoa de São Francisco come around December, with 12h 22min of daylight, and the shortest around June, with 11h 52min. The seasonal swing is 0h 30min, a modest change typical of the tropics (4.39° S).
Time zone and comparison with the state capital
Lagoa de São Francisco uses the same time as Brasília (UTC-3). This is the same zone as most of the country and the one used for the official Brazilian time. Compared with Teresina, the state capital (155 km away), the Sun rises 5 min earlier on the clock and sets 5 min earlier. Today's daylight is 12h 9min here versus 12h 9min in Teresina.
Moon today
Today the Moon is Last Quarter, with about 44% of its disc lit and an age of 22.7 days. See the full moon calendar.
Lagoa de São Francisco at a glance
- StatePiauí (PI)
- Coordinates4.39° S, 41.60° W
- Time zoneUTC-3 (America/Sao_Paulo)
- Area code (DDD)86
- IBGE code2205573
- Difference from BrasíliaSame time as Brasília
Cities near Lagoa de São Francisco
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Pedro II | 17 km | 05:30 | 17:39 |
| Piripiri | 23 km | 05:31 | 17:40 |
| Brasileira | 35 km | 05:31 | 17:40 |
| Milton Brandão | 39 km | 05:30 | 17:39 |
| Capitão de Campos | 39 km | 05:32 | 17:41 |
| Domingos Mourão | 39 km | 05:29 | 17:38 |
See also
- Sunrise and sunset in Piauí and all its cities
- Sunrise and sunset in Teresina, the capital of Piauí
- Current time in Piauí
- Sunrise and sunset in every state and country · Start of the seasons
Times are calculated astronomically for the urban centre and are accurate to about a minute; sunrise and sunset use the upper edge of the Sun and atmospheric refraction. Hills and buildings can change the visible time.