Daylight duration
We show daylight length in San Juan during December 2021 and the daylight length for the equinox and solstice for comparing. From December 1, 2021 until December 20, 2021, daylight becomes shorter. From December 21, 2021 until December 22, 2021, daylight does not vary. From December 23, 2021 until December 31, 2021, daylight becomes longer.
Sunrise and Sunset
Times of sunrise and sunset in San Juan during December 2021.
Taking December 1, 2021 as reference, the sun rises at 06:40:20 at 112.8°ESE (East-southeast) and sets at 17:46:28 at 132.05°ESE (East-southeast). Sunrise and sunset take approximately 2.43 minutes to complete. Read more about sunrise and sunset.
Taking December 15, 2021 as reference, the sun rises at 06:48:39 at 114.33°ESE (East-southeast) and sets at 17:50:31 at 131.22°ESE (East-southeast). Sunrise and sunset take approximately 2.48 minutes to complete. Read more about sunrise and sunset.
Solar Events
| 2021 | Daylength | Dawn | Sunset | Solar Noon | Sunrise | Dusk | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec | Length | Difference | Ast. | Nau. | Civ. | Start | Azimuth | End | Start | Azimuth | End | Civ. | Nau. | Ast. | |
| 1 | 11h 06m 08s | - | 05:23 | 05:49 | 06:16 | 06:40 | 113°ESE | 06:42 | 12:13 | 17:44 | 132°ESE | 17:46 | 18:09 | 18:36 | 19:03 |
| 2 | 11h 05m 42s | -26s | 05:23 | 05:50 | 06:17 | 06:40 | 113°ESE | 06:43 | 12:13 | 17:44 | 132°ESE | 17:46 | 18:10 | 18:37 | 19:03 |
| 3 | 11h 05m 16s | -26s | 05:24 | 05:50 | 06:18 | 06:41 | 113°ESE | 06:44 | 12:14 | 17:44 | 132°ESE | 17:46 | 18:10 | 18:37 | 19:04 |
| 4 | 11h 04m 51s | -25s | 05:24 | 05:51 | 06:18 | 06:42 | 113°ESE | 06:44 | 12:14 | 17:44 | 133°ESE | 17:47 | 18:10 | 18:37 | 19:04 |
| 5 | 11h 04m 29s | -22s | 05:25 | 05:52 | 06:19 | 06:42 | 113°ESE | 06:45 | 12:15 | 17:44 | 133°ESE | 17:47 | 18:10 | 18:37 | 19:04 |
| 6 | 11h 04m 06s | -23s | 05:25 | 05:52 | 06:19 | 06:43 | 114°ESE | 06:45 | 12:15 | 17:45 | 133°ESE | 17:47 | 18:11 | 18:38 | 19:05 |
| 7 | 11h 03m 46s | -20s | 05:26 | 05:53 | 06:20 | 06:43 | 114°ESE | 06:46 | 12:15 | 17:45 | 133°ESE | 17:47 | 18:11 | 18:38 | 19:05 |
| 8 | 11h 03m 27s | -19s | 05:26 | 05:53 | 06:20 | 06:44 | 114°ESE | 06:47 | 12:16 | 17:45 | 133°ESE | 17:48 | 18:11 | 18:38 | 19:05 |
| 9 | 11h 03m 9s | -18s | 05:27 | 05:54 | 06:21 | 06:45 | 114°ESE | 06:47 | 12:16 | 17:45 | 132°ESE | 17:48 | 18:12 | 18:39 | 19:06 |
| 10 | 11h 02m 53s | -16s | 05:28 | 05:54 | 06:22 | 06:45 | 114°ESE | 06:48 | 12:17 | 17:46 | 132°ESE | 17:48 | 18:12 | 18:39 | 19:06 |
| 11 | 11h 02m 38s | -15s | 05:28 | 05:55 | 06:22 | 06:46 | 114°ESE | 06:48 | 12:17 | 17:46 | 132°ESE | 17:49 | 18:12 | 18:39 | 19:06 |
| 12 | 11h 02m 24s | -14s | 05:29 | 05:56 | 06:23 | 06:46 | 114°ESE | 06:49 | 12:18 | 17:46 | 132°ESE | 17:49 | 18:13 | 18:40 | 19:07 |
| 13 | 11h 02m 11s | -13s | 05:29 | 05:56 | 06:23 | 06:47 | 114°ESE | 06:50 | 12:18 | 17:47 | 132°ESE | 17:49 | 18:13 | 18:40 | 19:07 |
| 14 | 11h 02m 01s | -10s | 05:30 | 05:57 | 06:24 | 06:48 | 114°ESE | 06:50 | 12:19 | 17:47 | 132°ESE | 17:50 | 18:13 | 18:41 | 19:08 |
| 15 | 11h 01m 52s | -9s | 05:30 | 05:57 | 06:24 | 06:48 | 114°ESE | 06:51 | 12:19 | 17:48 | 131°ESE | 17:50 | 18:14 | 18:41 | 19:08 |
| 16 | 11h 01m 43s | -9s | 05:31 | 05:58 | 06:25 | 06:49 | 114°ESE | 06:51 | 12:20 | 17:48 | 131°ESE | 17:50 | 18:14 | 18:41 | 19:08 |
| 17 | 11h 01m 38s | -5s | 05:31 | 05:58 | 06:25 | 06:49 | 114°ESE | 06:52 | 12:20 | 17:48 | 131°ESE | 17:51 | 18:15 | 18:42 | 19:09 |
| 18 | 11h 01m 33s | -5s | 05:32 | 05:59 | 06:26 | 06:50 | 114°ESE | 06:52 | 12:21 | 17:49 | 130°ESE | 17:51 | 18:15 | 18:42 | 19:09 |
| 19 | 11h 01m 29s | -4s | 05:32 | 05:59 | 06:27 | 06:50 | 114°ESE | 06:53 | 12:21 | 17:49 | 130°ESE | 17:52 | 18:16 | 18:43 | 19:10 |
| 20 | 11h 01m 26s | -3s | 05:33 | 06:00 | 06:27 | 06:51 | 114°ESE | 06:53 | 12:22 | 17:50 | 129°ESE | 17:52 | 18:16 | 18:43 | 19:10 |
| 21 | 11h 01m 26s | - | 05:33 | 06:00 | 06:28 | 06:51 | 114°ESE | 06:54 | 12:22 | 17:50 | 129°ESE | 17:53 | 18:17 | 18:44 | 19:11 |
| 22 | 11h 01m 26s | - | 05:34 | 06:01 | 06:28 | 06:52 | 114°ESE | 06:54 | 12:23 | 17:51 | 128°ESE | 17:53 | 18:17 | 18:44 | 19:11 |
| 23 | 11h 01m 28s | +2s | 05:34 | 06:01 | 06:29 | 06:52 | 114°ESE | 06:55 | 12:23 | 17:51 | 128°ESE | 17:54 | 18:18 | 18:45 | 19:12 |
| 24 | 11h 01m 32s | +4s | 05:35 | 06:02 | 06:29 | 06:53 | 114°ESE | 06:55 | 12:24 | 17:52 | 127°ESE | 17:54 | 18:18 | 18:45 | 19:12 |
| 25 | 11h 01m 37s | +5s | 05:35 | 06:02 | 06:29 | 06:53 | 114°ESE | 06:56 | 12:24 | 17:52 | 127°ESE | 17:55 | 18:19 | 18:46 | 19:13 |
| 26 | 11h 01m 44s | +7s | 05:36 | 06:03 | 06:30 | 06:54 | 114°ESE | 06:56 | 12:25 | 17:53 | 126°ESE | 17:55 | 18:19 | 18:46 | 19:13 |
| 27 | 11h 01m 52s | +8s | 05:36 | 06:03 | 06:30 | 06:54 | 114°ESE | 06:57 | 12:25 | 17:54 | 125°ESE | 17:56 | 18:20 | 18:47 | 19:14 |
| 28 | 11h 02m 01s | +9s | 05:37 | 06:04 | 06:31 | 06:55 | 114°ESE | 06:57 | 12:26 | 17:54 | 125°ESE | 17:57 | 18:20 | 18:48 | 19:14 |
| 29 | 11h 02m 13s | +12s | 05:37 | 06:04 | 06:31 | 06:55 | 114°ESE | 06:57 | 12:26 | 17:55 | 124°ESE | 17:57 | 18:21 | 18:48 | 19:15 |
| 30 | 11h 02m 25s | +12s | 05:37 | 06:04 | 06:32 | 06:55 | 114°ESE | 06:58 | 12:26 | 17:55 | 123°ESE | 17:58 | 18:21 | 18:49 | 19:16 |
| 31 | 11h 02m 39s | +14s | 05:38 | 06:05 | 06:32 | 06:56 | 114°ESE | 06:58 | 12:27 | 17:56 | 122°ESE | 17:58 | 18:22 | 18:49 | 19:16 |
