Today, Saturday, October 3, 2026, the Sun rises at 05:28 and sets at 17:38 in Francisco Santos (PI), local time UTC-3. Daylight lasts 12h 10min, 23s more than yesterday.
The Sun today in Francisco Santos
It's daytime now Sunset in 2h 35min.
Compared with yesterday, today is 23s longer, and tomorrow will be 23s longer than today: in Francisco Santos the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 11:33, which is 27 minutes before 12:00 on the clock. That gap comes from the position of Francisco Santos 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 | 05:07 |
| Morning golden hour | 05:28 – 05:55 |
| Sunrise | 05:28 |
| Solar noon | 11:33 |
| Evening golden hour | 17:11 – 17:38 |
| Sunset | 17:38 |
| Civil twilight ends | 17:59 |
In Francisco Santos civil twilight lasts 21 minutes at each end of the day today, so it is light enough to walk outdoors from 05:07 to 17:59. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 28 minutes in the morning and 28 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 | 05:28 | 17:38 | 12h 10min | +23s |
| Sun, Oct 4 | 05:27 | 17:38 | 12h 11min | +23s |
| Mon, Oct 5 | 05:27 | 17:38 | 12h 11min | +24s |
| Tue, Oct 6 | 05:26 | 17:38 | 12h 11min | +23s |
| Wed, Oct 7 | 05:26 | 17:38 | 12h 12min | +24s |
| Thu, Oct 8 | 05:25 | 17:38 | 12h 12min | +22s |
| Fri, Oct 9 | 05:25 | 17:38 | 12h 12min | +24s |
Day length through the year in Francisco Santos
View data table
| Month | Day length |
|---|---|
| January | 12h 29min |
| February | 12h 19min |
| March | 12h 08min |
| April | 11h 56min |
| May | 11h 47min |
| June | 11h 43min |
| July | 11h 45min |
| August | 11h 52min |
| September | 12h 03min |
| October | 12h 15min |
| November | 12h 26min |
| December | 12h 31min |
How day length changes through the year in Francisco Santos
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 05:48 | 17:55 | 12h 6min |
| June solstice (start of winter) | June 21 | 05:54 | 17:37 | 11h 43min |
| September equinox (start of spring) | September 22 | 05:34 | 17:40 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:26 | 17:58 | 12h 31min |
The longest days in Francisco Santos come around December, with 12h 31min of daylight, and the shortest around June, with 11h 43min. The seasonal swing is 0h 48min, a modest change typical of the tropics (6.99° S).
Time zone and comparison with the state capital
Francisco Santos 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 (281 km away), the Sun rises 7 min earlier on the clock and sets 6 min earlier. Today's daylight is 12h 10min here versus 12h 9min in Teresina.
Moon today
Today the Moon is Last Quarter, with about 45% of its disc lit and an age of 22.6 days. See the full moon calendar.
Francisco Santos at a glance
- StatePiauí (PI)
- Coordinates6.99° S, 41.13° W
- Time zoneUTC-3 (America/Sao_Paulo)
- Area code (DDD)89
- IBGE code2204204
- Difference from BrasíliaSame time as Brasília
Cities near Francisco Santos
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Santo Antônio de Lisboa | 11 km | 05:28 | 17:39 |
| Monsenhor Hipólito | 11 km | 05:27 | 17:38 |
| Campo Grande do Piauí | 18 km | 05:27 | 17:38 |
| Bocaina | 22 km | 05:29 | 17:39 |
| Alagoinha do Piauí | 22 km | 05:27 | 17:38 |
| Vila Nova do Piauí | 26 km | 05:27 | 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.