What time zone is Castelo do Piauí in?

Castelo do Piauí uses Brasilia Time (BRT, UTC−3) all year. Its IANA time zone is America/Fortaleza.

Does Castelo do Piauí observe daylight saving time?

No. Castelo do Piauí uses BRT (UTC−3) all year.

What is the UTC offset of Castelo do Piauí?

Castelo do Piauí is UTC−3 all year

Current Time in Castelo do Piauí, Piauí, Brazil

4:13:40 PM

16:13:40

Tuesday, October 27, 2026

BRT (Brasilia Time) · UTC−03:00

America/Fortaleza

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Time zone details

Castelo do Piauí does not observe daylight saving time in 2026

Daylight in Castelo do Piauí

Sunrise5:21 AMSolar noon11:30 AMSunset5:38 PM

Clock change statusNo clock changes are scheduled for Castelo do Piauí in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: Brazil
Administrative area: Piauí
Place type: Populated place
Country currency: Brazilian Real (BRL)

Practical

Country languages: Portuguese, Spanish, English, French
Dialing code: +55
Population: 19,715
Elevation: Approximately 241 m (DEM estimate)

Geography

Geographic coordinates: 5° 19' S / 41° 33' W

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Clock changes in Castelo do Piauí

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Brazil daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 5:21 AM
Solar noon: 11:30 AM
Sunset: 5:38 PM
Daylight duration: 12 hr 17 min17 sec longer than the previous day

Civil twilight: 5:00 AM – 5:59 PM
Nautical twilight: 4:35 AM – 6:24 PM
Astronomical twilight: 4:10 AM – 6:49 PM

Full MoonMoon illumination97%

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Tuesday, October 27, 2026

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Sun

Sunrise: 5:21 AM (east, 103.0°)
Sunset: 5:38 PM (west, 256.9°)
Day length: 12 hr 17 min17 sec longer than the previous day
Solar noon: 11:30 AM (82.4° altitude)

Civil twilight

Dawn to dusk: 5:00 AM – 5:59 PM

Additional twilight

Nautical dawn to dusk: 4:35 AM – 6:24 PM
Astronomical dawn to dusk: 4:10 AM – 6:49 PM

Moon

Phase: Full Moon (97% illuminated)
Moonrise: 7:10 PM (northeast, 65.2°)
Moonset: 6:19 AM (northwest, 292.8°)
Previous principal phase: Full Moon — Monday, October 26, 2026 at 1:12 AM
Next principal phase: Third Quarter — Sunday, November 1, 2026 at 5:28 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Tuesday, October 27	5:21 AM	5:38 PM	12 hr 17 min	17 sec longer than the previous day
Wednesday, October 28	5:21 AM	5:38 PM	12 hr 17 min	17 sec longer than the previous day
Thursday, October 29	5:21 AM	5:38 PM	12 hr 17 min	17 sec longer than the previous day
Friday, October 30	5:21 AM	5:38 PM	12 hr 17 min	16 sec longer than the previous day
Saturday, October 31	5:21 AM	5:38 PM	12 hr 18 min	17 sec longer than the previous day
Sunday, November 1	5:20 AM	5:38 PM	12 hr 18 min	16 sec longer than the previous day
Monday, November 2	5:20 AM	5:38 PM	12 hr 18 min	16 sec longer than the previous day

Weather forecast for Castelo do Piauí

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Plan around Castelo do Piauí

Upcoming public holidays in Piauí

Mon, Nov 2, 2026All Souls' Day
Sun, Nov 15, 2026Republic Day
Fri, Nov 20, 2026Black Awareness Day

Nearby places

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Frequently asked questions

What time zone is Castelo do Piauí in?: Castelo do Piauí uses Brasilia Time (BRT, UTC−3) all year. Its IANA time zone is America/Fortaleza.
When is the next clock change in Castelo do Piauí?: No clock changes are scheduled for Castelo do Piauí in the next 12 months
Does Castelo do Piauí observe daylight saving time?: No. Castelo do Piauí uses BRT (UTC−3) all year.
What is the UTC offset of Castelo do Piauí?: Castelo do Piauí is UTC−3 all year