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What time is sunrise and sunset in Isabela?

Today and tomorrow's sunrise and sunset times in Isabela, Puerto Rico. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Sunrise
6:14 AM
82° EDawn 5:52 AM

Sunrise in Isabela will be at 6:14:15 AM AST (in 1 hour).

Sunset
6:40 PM
278° WDusk 7:02 PM

Sunset in Isabela will be at 6:40:00 PM AST (in 13 hours).

Now
12a6a12p6p12a

Astronomical twilight now · Nautical dawn at 5:26 AM

Daylight
12h 25m
Darkness
9h 05m
Solar noon
12:27 PM
Sun altitude
13.8° below
Sun direction
77° ENE

Tomorrow

Sunrise
6:14 AM
83° EDawn 5:52 AM

Sunrise in Isabela will be at 6:14:25 AM AST (in 25 hours).

Sunset
6:39 PM
277° WDusk 7:01 PM

Sunset in Isabela will be at 6:39:10 PM AST (in 37 hours).

Moon tonight

Phase, moonrise and moonset in Isabela

Last Quarter
46% illuminated
Moonrise
Doesn't rise
Moonset
1:15 PM

Calendar

America/Puerto_Rico · click a day to expand

DateSunriseSunsetLength
1 Tue6:13 am6:42 pm12:28:47
2 Wed6:13 am6:41 pm12:27:47
3 Thu6:14 am6:40 pm12:26:46
4 Fri6:14 am6:40 pm12:25:45
Friday, September 4
12:25:45 of daylight·−1m 1s vs. yesterday·twilight 5:52 am – 7:02 pm
12a3a6a9a12p3p6p9p12a6:14 am12:27 pm6:40 pmhorizon
Time
5:19 AM
Altitude
-13.8°
Heading
77° ENE
Light
Astronomical twilight

5:19 AM, Astronomical twilight, altitude -13.8 degrees

5 Sat6:14 am6:39 pm12:24:44
6 Sun6:14 am6:38 pm12:23:43
7 Mon6:14 am6:37 pm12:22:42
8 Tue6:14 am6:36 pm12:21:41
9 Wed6:15 am6:35 pm12:20:39
10 Thu6:15 am6:34 pm12:19:37
11 Fri6:15 am6:34 pm12:18:36
12 Sat6:15 am6:33 pm12:17:34
13 Sun6:15 am6:32 pm12:16:32
14 Mon6:15 am6:31 pm12:15:30
15 Tue6:16 am6:30 pm12:14:27
16 Wed6:16 am6:29 pm12:13:25
17 Thu6:16 am6:28 pm12:12:23
18 Fri6:16 am6:27 pm12:11:21
19 Sat6:16 am6:27 pm12:10:18
20 Sun6:16 am6:26 pm12:09:16
21 Mon6:17 am6:25 pm12:08:13
22 Tue6:17 am6:24 pm12:07:11
23 Wed6:17 am6:23 pm12:06:08
24 Thu6:17 am6:22 pm12:05:06
25 Fri6:17 am6:21 pm12:04:03
26 Sat6:17 am6:20 pm12:03:01
27 Sun6:18 am6:20 pm12:01:59
28 Mon6:18 am6:19 pm12:00:56
29 Tue6:18 am6:18 pm11:59:54
30 Wed6:18 am6:17 pm11:58:52

FAQ

Frequently asked questions about sunrise and sunset in Isabela, United States

What time does the sun rise in Isabela today?
Sunrise in Isabela today (Friday, September 4, 2026) is at 6:14 AM. The sun comes up in the E.
What time does the sun set in Isabela today?
Sunset today is at 6:40 PM, after 12h 25m of daylight.
When is the longest day in Isabela, United States?
The longest day of 2026 in Isabela is Sunday, June 21, 2026, the summer solstice, with 13h 14m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Isabela, United States?
The shortest day of 2026 in Isabela, Puerto Rico is Monday, December 21, 2026, the winter solstice, with 11h 00m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Isabela get in summer than in winter?
Isabela gets 2h 13m more daylight on its longest day than on its shortest (13h 14m against 11h 00m). Averaged across the year, a day here has 12h 08m of daylight.
When is the earliest sunrise in Isabela?
The earliest sunrise of 2026 in Isabela is on Thursday, June 4, 2026, when the sun comes up at 5:52 AM.
When is the latest sunset in Isabela?
The latest sunset is on Sunday, July 5, 2026 at 7:10 PM.
When is the earliest sunset in Isabela?
The earliest sunset of the year is on Tuesday, November 24, 2026, with the sun down by 5:51 PM.
When is the latest sunrise in Isabela?
The latest sunrise is on Sunday, January 18, 2026 at 7:04 AM.
Does Isabela observe daylight saving time?
No. Isabela stays on Atlantic Standard Time (UTC-4) all year, so sunrise and sunset times shift only with the seasons.

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=18.51305556&lng=-67.07