🌅 Arecibo Sunrise & Sunset Calendar
🇵🇷 Puerto Rico · America/Puerto_Rico
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 🌄 06:12 🌇 18:41 | 2 🌄 06:12 🌇 18:40 | 3 🌄 06:12 🌇 18:39 | 4 🌄 06:12 🌇 18:38 | |||
| 5 🌄 06:13 🌇 18:37 | 6 🌄 06:13 🌇 18:37 | 7 🌄 06:13 🌇 18:36 | 8 🌄 06:13 🌇 18:35 | 9 🌄 06:13 🌇 18:34 | 10 🌄 06:13 🌇 18:33 | 11 🌄 06:14 🌇 18:32 |
| 12 🌄 06:14 🌇 18:31 | 13 🌄 06:14 🌇 18:31 | 14 🌄 06:14 🌇 18:30 | 15 🌄 06:14 🌇 18:29 | 16 🌄 06:14 🌇 18:28 | 17 🌄 06:15 🌇 18:27 | 18 🌄 06:15 🌇 18:26 |
| 19 🌄 06:15 🌇 18:25 | 20 🌄 06:15 🌇 18:24 | 21 🌄 06:15 🌇 18:24 | 22 🌄 06:15 🌇 18:23 | 23 🌄 06:16 🌇 18:22 | 24 🌄 06:16 🌇 18:21 | 25 🌄 06:16 🌇 18:20 |
| 26 🌄 06:16 🌇 18:19 | 27 🌄 06:16 🌇 18:18 | 28 🌄 06:16 🌇 18:18 | 29 🌄 06:17 🌇 18:17 | 30 🌄 06:17 🌇 18:16 |
All times in local time for Arecibo (America/Puerto_Rico).
Shortening days in Arecibo through September 1999
Daylight shrinks through September 1999 in Arecibo, Puerto Rico, moving from 12h 28m on the first days to 11h 59m on the last — a swing of about 29 minutes. That works out to roughly 7 minutes a week.
Sunrise this month spans 06:12 (September 1) to 06:17 (September 29); sunset runs between 18:16 (September 30) and 18:41 (September 1).
Daylight averages roughly 12h 14m per day across the month. 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 September 1999. 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 September 1999?
In September 1999, sunrise in Arecibo, Puerto Rico ranges from about 06:12 on September 1 (its earliest) to 06:17 on September 29 (its latest). Each day's exact time is in the calendar above.
What time does the sun set in Arecibo in September 1999?
Sunset in Arecibo, Puerto Rico during September 1999 runs from 18:16 on September 30 to 18:41 on September 1.
How much daylight does Arecibo get in September 1999?
Arecibo, Puerto Rico has between 12h 28m and 11h 59m of daylight per day in September 1999, decreases by about 29 minutes across the month.
What is the difference between sunrise and sunset?
Sunrise is the moment the sun's top edge first appears above the horizon in the morning; sunset is when it disappears below the horizon in the evening. The gap between them is the day's length, which shifts gradually through the year.
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.