The sun, month by month
Sunrise and sunset in Santiago in January
On January 1 in Santiago the sun rises at 06:37 and sets at 20:56; on day 31 it rises at 07:03 and sets at 20:49. Over the month the day gets 33 minutes shorter.
In Santiago (-33.5° latitude), January 2026 has 31 days whose sun rises at 06:37 and sets at 20:56 on the 1st, and at 07:03 and 20:49 on the 31th. Mid-month the day lasts 14 h 08 min and the sun reaches 78° above the horizon. Vitamin D synthesis is possible between 10:00 and 19:00, which is when the UV index reaches at least 3: at the best moment of the day about 5 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.
Where does the sun rise and set in Santiago in January?
Mid-January in Santiago: the sun rises in the southeast — a bearing of 116°, measured from true north — and sets in the southwest, at 244°. That is 26° south of due east at sunrise, and the same 26° south of due west at sunset. From the 1st to the last day of the month both points shift 6° north.
Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.
Day by day
All times are local to Santiago. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:08 | 06:37 | 20:56 | 21:25 | 14 h 19 min |
| 2 | 06:09 | 06:37 | 20:56 | 21:25 | 14 h 19 min |
| 3 | 06:09 | 06:38 | 20:56 | 21:25 | 14 h 18 min |
| 4 | 06:10 | 06:39 | 20:57 | 21:25 | 14 h 18 min |
| 5 | 06:11 | 06:40 | 20:57 | 21:25 | 14 h 17 min |
| 6 | 06:12 | 06:40 | 20:57 | 21:25 | 14 h 16 min |
| 7 | 06:13 | 06:41 | 20:57 | 21:25 | 14 h 16 min |
| 8 | 06:14 | 06:42 | 20:57 | 21:25 | 14 h 15 min |
| 9 | 06:14 | 06:43 | 20:57 | 21:25 | 14 h 14 min |
| 10 | 06:15 | 06:44 | 20:57 | 21:25 | 14 h 13 min |
| 11 | 06:16 | 06:45 | 20:57 | 21:25 | 14 h 12 min |
| 12 | 06:17 | 06:45 | 20:57 | 21:25 | 14 h 11 min |
| 13 | 06:18 | 06:46 | 20:56 | 21:25 | 14 h 10 min |
| 14 | 06:19 | 06:47 | 20:56 | 21:24 | 14 h 09 min |
| 15 | 06:20 | 06:48 | 20:56 | 21:24 | 14 h 08 min |
| 16 | 06:21 | 06:49 | 20:56 | 21:24 | 14 h 07 min |
| 17 | 06:22 | 06:50 | 20:56 | 21:24 | 14 h 06 min |
| 18 | 06:23 | 06:51 | 20:55 | 21:23 | 14 h 05 min |
| 19 | 06:24 | 06:52 | 20:55 | 21:23 | 14 h 03 min |
| 20 | 06:25 | 06:53 | 20:55 | 21:23 | 14 h 02 min |
| 21 | 06:26 | 06:53 | 20:54 | 21:22 | 14 h 01 min |
| 22 | 06:27 | 06:54 | 20:54 | 21:22 | 14 h 00 min |
| 23 | 06:28 | 06:55 | 20:54 | 21:21 | 13 h 58 min |
| 24 | 06:29 | 06:56 | 20:53 | 21:21 | 13 h 57 min |
| 25 | 06:30 | 06:57 | 20:53 | 21:20 | 13 h 55 min |
| 26 | 06:31 | 06:58 | 20:52 | 21:20 | 13 h 54 min |
| 27 | 06:32 | 06:59 | 20:52 | 21:19 | 13 h 53 min |
| 28 | 06:33 | 07:00 | 20:51 | 21:19 | 13 h 51 min |
| 29 | 06:34 | 07:01 | 20:51 | 21:18 | 13 h 50 min |
| 30 | 06:35 | 07:02 | 20:50 | 21:17 | 13 h 48 min |
| 31 | 06:36 | 07:03 | 20:49 | 21:17 | 13 h 46 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in January?
In January, the typical synthesis window in Santiago runs from 10:00 to 19:00: with medium skin and a t-shirt, ~5 min at the best moment is enough.
See the Santiago vitamin D guideCommon questions about the sun in Santiago in January
- Where does the sun set in Santiago in January?
- Mid-January in Santiago: the sun sets in the southwest, a bearing of 244° measured from true north, which is 26° south of due west. It rises in the southeast, at 116°. Over the month both points shift 6° north.
- How much daylight does Santiago lose in January?
- Over January the day gets 33 minutes shorter in Santiago: on January 1 the sun rises at 06:37 and sets at 20:56, and on day 31 it rises at 07:03 and sets at 20:49.
- How many hours of daylight does Santiago get in January?
- In mid-January the day lasts 14 h 08 min in Santiago, from sunrise at 06:48 to sunset at 20:56. The table has the day length for each of the 31 days of the month.
- What time does it start to get light in Santiago in January?
- In mid-January the sky starts to get light at 06:20 in Santiago, when the sun is 6° below the horizon, and the sun itself does not rise until 06:48. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Santiago in January?
- It's not the same time as sunset. In mid-January in Santiago the sun sets at 20:56, but there is still light: civil twilight does not end until 21:24, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
- What time of day can you make vitamin D in Santiago in January?
- In mid-January, between 10:00 and 19:00: that is the stretch of the day when the UV index reaches 3 in Santiago, the minimum for the skin to make vitamin D. At the best moment of the day about 5 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.