🇵🇷 Isabela, Puerto Rico · Daytime

Time in Isabela

21

12:21 PM · Saturday, October 17, 2026

  • AST
  • UTC-4
  • America/Puerto Rico
Sunrise
06:23
Sunset
18:05
Daylight
11 h 42 min

The day in Isabela, hour by hour

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Isabela 12:21 12:21 PM
Isabela 12:21 12:21 PM You –:–
🇵🇷 Isabela

12:21 12:21 PM

Atlantic Standard Time · UTC-4

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Working hours
🇵🇷 Isabela
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
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Compare Isabela with another city

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Time in Isabela, in detail

  • Time zone AST Atlantic Standard Time
  • UTC offset UTC-4 IANA zone America/Puerto_Rico
  • Daylight saving Not observed Isabela keeps the same offset all year.
  • Sunrise 06:23 Solar noon at 12:14
  • Sunset 18:05 11 h 42 min of daylight
  • People on this clock 45,000 Puerto Rico
  • Coordinates 18.50°, -67.02° Sunrise and sunset are calculated from this position.

Time in Isabela: common questions

Which IANA time zone does Isabela belong to?
Isabela belongs to the IANA time zone America/Puerto_Rico, currently UTC−4.
What is the UTC offset of Isabela?
The offset in Isabela is UTC−4 all year round; there is no separate summer offset.
Does Isabela switch to summer time?
No, Isabela does not switch to summer time; the clocks stay on UTC−4.
When does the sun rise and set in Isabela?
On October 17 the sun rises in Isabela at 6:22 AM and sets at 6:04 PM – 11 hours and 42 minutes of daylight.
Where else is it the same time as in Isabela?
UTC−4 is currently also the time in the United States, in Canada, in Venezuela, in Bolivia, in Cuba, in Haiti, and in 22 other countries and territories.
How does the time in Isabela compare with Lisbon, Chiang Mai, or Mexico City?
Taking Isabela as the reference, Lisbon is 5 hours ahead, Chiang Mai is 11 hours ahead, and Mexico City is 2 hours behind.
Show times on the 12-hour clock, temperatures in °F and distances in miles?