🌅 Arecibo Sunrise & Sunset Calendar
🇵🇷 Puerto Rico · America/Puerto_Rico
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 🌄 06:17 🌇 18:15 | 2 🌄 06:17 🌇 18:14 | 3 🌄 06:17 🌇 18:13 | ||||
| 4 🌄 06:18 🌇 18:13 | 5 🌄 06:18 🌇 18:12 | 6 🌄 06:18 🌇 18:11 | 7 🌄 06:18 🌇 18:10 | 8 🌄 06:18 🌇 18:09 | 9 🌄 06:19 🌇 18:09 | 10 🌄 06:19 🌇 18:08 |
| 11 🌄 06:19 🌇 18:07 | 12 🌄 06:19 🌇 18:06 | 13 🌄 06:20 🌇 18:05 | 14 🌄 06:20 🌇 18:05 | 15 🌄 06:20 🌇 18:04 | 16 🌄 06:20 🌇 18:03 | 17 🌄 06:21 🌇 18:03 |
| 18 🌄 06:21 🌇 18:02 | 19 🌄 06:21 🌇 18:01 | 20 🌄 06:22 🌇 18:01 | 21 🌄 06:22 🌇 18:00 | 22 🌄 06:22 🌇 17:59 | 23 🌄 06:23 🌇 17:59 | 24 🌄 06:23 🌇 17:58 |
| 25 🌄 06:23 🌇 17:57 | 26 🌄 06:24 🌇 17:57 | 27 🌄 06:24 🌇 17:56 | 28 🌄 06:24 🌇 17:56 | 29 🌄 06:25 🌇 17:55 | 30 🌄 06:25 🌇 17:55 | 31 🌄 06:26 🌇 17:54 |
All times in local time for Arecibo (America/Puerto_Rico).
Shortening days in Arecibo through October 1987
Across October 1987, daylight in Arecibo, Puerto Rico shrinks — the month opens with 11h 58m of daylight and closes with 11h 28m (a swing of about 30 minutes). Day length shifts by about 7 minutes each week.
Sunrise this month spans 06:17 (October 1) to 06:26 (October 31); sunset runs between 17:54 (October 31) and 18:15 (October 1).
It falls in northern-hemisphere autumn, which sets the overall pattern of these times. On an average day this month Arecibo sees about 11h 42m of daylight. Handy for photographers, early risers, travellers and anyone timing their day to the light in Arecibo.
About the Arecibo Sunrise & Sunset Calendar
This calendar shows the sunrise and sunset time in Arecibo, Puerto Rico for every day of October 1987. All times are shown in Arecibo's local time (America/Puerto_Rico), with daylight saving changes applied automatically.
Each day's cell shows the local 🌄 sunrise and 🌇 sunset time, so you can see at a glance how daylight grows and shrinks through the month — useful for photography, travel, prayer planning, gardening, fitness and organising your day around the sun.
How to use this calendar
- Search any city using the box at the top to jump to its full monthly calendar.
- Change month with the ← and → arrows above the grid.
- Print or save a clean copy with the 🖨️ Print button.
Frequently Asked Questions
What time does the sun rise in Arecibo in October 1987?
In October 1987, sunrise in Arecibo, Puerto Rico ranges from about 06:17 on October 1 (its earliest) to 06:26 on October 31 (its latest). Each day's exact time is in the calendar above.
What time does the sun set in Arecibo in October 1987?
Sunset in Arecibo, Puerto Rico during October 1987 runs from 17:54 on October 31 to 18:15 on October 1.
How much daylight does Arecibo get in October 1987?
Arecibo, Puerto Rico has between 11h 58m and 11h 28m of daylight per day in October 1987, decreases by about 30 minutes across the month.
When are the days longest and shortest in Arecibo?
Daylight peaks around the summer solstice (about June 21 in the northern hemisphere, December 21 in the southern) and bottoms out at the winter solstice. Browse the months above to watch the change.
Are the sunrise and sunset times for Arecibo accurate?
Times are calculated from the location's exact latitude, longitude and time zone using standard astronomical algorithms, accurate to about a minute. Local terrain such as hills or tall buildings can slightly shift when the sun actually appears or disappears.
What time zone are the Arecibo calendar times shown in?
All times are shown in Arecibo's local time, with daylight saving changes applied automatically, so you can read them directly with no conversion.