🌅 San Juan Sunrise & Sunset Calendar
🇵🇷 Puerto Rico · America/Puerto_Rico
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 🌄 06:40 🌇 17:46 | ||||||
| 2 🌄 06:40 🌇 17:46 | 3 🌄 06:41 🌇 17:46 | 4 🌄 06:42 🌇 17:46 | 5 🌄 06:42 🌇 17:47 | 6 🌄 06:43 🌇 17:47 | 7 🌄 06:43 🌇 17:47 | 8 🌄 06:44 🌇 17:47 |
| 9 🌄 06:45 🌇 17:48 | 10 🌄 06:45 🌇 17:48 | 11 🌄 06:46 🌇 17:48 | 12 🌄 06:46 🌇 17:49 | 13 🌄 06:47 🌇 17:49 | 14 🌄 06:48 🌇 17:49 | 15 🌄 06:48 🌇 17:50 |
| 16 🌄 06:49 🌇 17:50 | 17 🌄 06:49 🌇 17:51 | 18 🌄 06:50 🌇 17:51 | 19 🌄 06:50 🌇 17:51 | 20 🌄 06:51 🌇 17:52 | 21 🌄 06:51 🌇 17:52 | 22 🌄 06:52 🌇 17:53 |
| 23 🌄 06:52 🌇 17:53 | 24 🌄 06:53 🌇 17:54 | 25 🌄 06:53 🌇 17:54 | 26 🌄 06:54 🌇 17:55 | 27 🌄 06:54 🌇 17:56 | 28 🌄 06:55 🌇 17:56 | 29 🌄 06:55 🌇 17:57 |
| 30 🌄 06:55 🌇 17:57 | 31 🌄 06:56 🌇 17:58 |
All times in local time for San Juan (America/Puerto_Rico).
Shortening days in San Juan through December 1979
Across December 1979, daylight in San Juan, Puerto Rico keeps getting shorter — the month opens with 11h 06m of daylight and closes with 11h 01m (a swing of about 5 minutes). Day length shifts by about 1 minute each week.
The earliest sunrise falls at 06:40 on December 1 and the latest at 06:56 on December 31, while sunset ranges from 17:46 on December 1 to 17:58 on December 31.
This is winter in the northern hemisphere, so the trend above is what you'd expect for the season. The longest day of the month is December 1 at 11h 06m, the shortest December 20 at 11h 00m. Handy for photographers, early risers, travellers and anyone timing their day to the light in San Juan.
About the San Juan Sunrise & Sunset Calendar
This calendar shows the sunrise and sunset time in San Juan, Puerto Rico for every day of December 1979. All times are shown in San Juan'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 San Juan in December 1979?
In December 1979, sunrise in San Juan, Puerto Rico ranges from about 06:40 on December 1 (its earliest) to 06:56 on December 31 (its latest). Each day's exact time is in the calendar above.
What time does the sun set in San Juan in December 1979?
Sunset in San Juan, Puerto Rico during December 1979 runs from 17:46 on December 1 to 17:58 on December 31.
How much daylight does San Juan get in December 1979?
San Juan, Puerto Rico has between 11h 06m and 11h 01m of daylight per day in December 1979, decreases by about 5 minutes across the month.
When are the days longest and shortest in San Juan?
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 San Juan 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 San Juan calendar times shown in?
All times are shown in San Juan's local time, with daylight saving changes applied automatically, so you can read them directly with no conversion.