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Ceiba, Puerto Rico

Ceiba follows Atlantic Standard Time, four hours behind Coordinated Universal Time. Like the rest of Puerto Rico, it keeps the same clock throughout the year and does not observe daylight saving time.

Ceiba, Puerto Rico

Friday, 4 September 2026

UTC−4 · America/Puerto_Rico

Time and sun data for Ceiba — the largest city of Ceiba

The sun in Ceiba

Sunrise 06:10 Solar noon 12:23 Sunset 18:36 Daylight 12 h 26 min Night 11 h 34 min Civil twilight 05:48 – 18:58

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Current time in Ceiba, Puerto Rico

The local clock in Ceiba uses the America/Puerto_Rico time-zone identifier. Its standard abbreviation is AST, and its UTC offset is UTC−4. Because the offset remains fixed, there is no seasonal clock change to remember when arranging a call, journey, or online event.

Ceiba has the same local time as every other municipality in Puerto Rico. A meeting scheduled for noon in Ceiba is also scheduled for noon in San Juan, Bayamón, Carolina, Ponce, and Caguas. No conversion is needed when coordinating within the archipelago.

Time zone: Atlantic Standard Time Abbreviation: AST UTC offset: UTC−4 Daylight saving time: not observed IANA identifier: America/Puerto_Rico Puerto Rico keeps clock changes simple: the hands stay put while daylight does the wandering.

Ceiba and Puerto Rico time

Ceiba lies on Puerto Rico’s eastern side, but its position does not give it a separate time zone. Puerto Rico uses one civil time throughout its municipalities and islands. That includes nearby eastern communities as well as Culebra and Vieques.

San Juan is Puerto Rico’s capital and principal urban center. Other large cities include Bayamón, Carolina, Ponce, and Caguas. Their clocks match Ceiba exactly. The distinction between these places matters for distance and travel time, not for setting a watch.

The fixed UTC−4 offset is especially helpful for recurring appointments. A weekly event based in Ceiba does not shift locally in spring or autumn. Participants elsewhere may still see the relative time change if their own location starts or ends daylight saving time.

Sunrise and daylight in Ceiba

Sunrise in Ceiba changes from day to day because the Sun’s apparent path varies through the year. The clock remains on AST, so these changes appear naturally as earlier or later sunrise and sunset times rather than being partly offset by a seasonal clock adjustment.

For an exact sunrise time, use the date and Ceiba’s location. A general value copied from another Puerto Rican city may be close, but it is not the best choice for photography, boating, an early departure, or any plan that depends on the first usable light.

Confirm that the displayed location is Ceiba, Puerto Rico. Check the date, since sunrise is not a permanent daily value. Make sure the result is labeled AST or UTC−4. Distinguish sunrise from dawn, which begins earlier.

Clouds and terrain can affect when sunlight becomes visible from a particular spot, even though the calculated sunrise describes the Sun crossing the horizon.

Questions and answers

Does Ceiba observe daylight saving time?
No. Ceiba remains on Atlantic Standard Time throughout the year.
Is Ceiba in the same time zone as San Juan?
Yes. Both use AST with a UTC−4 offset, so their local clocks agree.
Why does Ceiba’s sunrise time change if its clock does not?
Daylight changes seasonally because of Earth’s motion and tilt. A fixed civil clock does not make sunrise occur at one permanent time.
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