The sun, month by month
Sunrise and sunset in Santiago in May
On May 1 in Santiago the sun rises at 07:16 and sets at 18:03; on day 31 it rises at 07:37 and sets at 17:43. Over the month the day gets 42 minutes shorter.
In Santiago (-33.5° latitude), May 2026 has 31 days whose sun rises at 07:16 and sets at 18:03 on the 1st, and at 07:37 and 17:43 on the 31th. Mid-month the day lasts 10 h 25 min and the sun reaches 38° above the horizon. Vitamin D synthesis is possible between 11:00 and 15:00, which is when the UV index reaches at least 3: at the best moment of the day about 14 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 May?
Mid-May in Santiago: the sun rises in the east — a bearing of 68°, measured from true north — and sets in the west, at 292°. That is 22° north of due east at sunrise, and the same 22° north of due west at sunset. From the 1st to the last day of the month both points shift 9° 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 | 06:50 | 07:16 | 18:03 | 18:29 | 10 h 47 min |
| 2 | 06:51 | 07:17 | 18:02 | 18:28 | 10 h 46 min |
| 3 | 06:52 | 07:18 | 18:01 | 18:27 | 10 h 44 min |
| 4 | 06:52 | 07:18 | 18:01 | 18:26 | 10 h 42 min |
| 5 | 06:53 | 07:19 | 18:00 | 18:25 | 10 h 40 min |
| 6 | 06:54 | 07:20 | 17:59 | 18:25 | 10 h 39 min |
| 7 | 06:55 | 07:21 | 17:58 | 18:24 | 10 h 37 min |
| 8 | 06:55 | 07:21 | 17:57 | 18:23 | 10 h 36 min |
| 9 | 06:56 | 07:22 | 17:56 | 18:22 | 10 h 34 min |
| 10 | 06:57 | 07:23 | 17:55 | 18:21 | 10 h 32 min |
| 11 | 06:57 | 07:24 | 17:54 | 18:21 | 10 h 31 min |
| 12 | 06:58 | 07:24 | 17:54 | 18:20 | 10 h 29 min |
| 13 | 06:59 | 07:25 | 17:53 | 18:19 | 10 h 28 min |
| 14 | 06:59 | 07:26 | 17:52 | 18:18 | 10 h 26 min |
| 15 | 07:00 | 07:27 | 17:51 | 18:18 | 10 h 25 min |
| 16 | 07:01 | 07:27 | 17:51 | 18:17 | 10 h 23 min |
| 17 | 07:01 | 07:28 | 17:50 | 18:16 | 10 h 22 min |
| 18 | 07:02 | 07:29 | 17:49 | 18:16 | 10 h 21 min |
| 19 | 07:03 | 07:29 | 17:49 | 18:15 | 10 h 19 min |
| 20 | 07:03 | 07:30 | 17:48 | 18:15 | 10 h 18 min |
| 21 | 07:04 | 07:31 | 17:47 | 18:14 | 10 h 17 min |
| 22 | 07:05 | 07:32 | 17:47 | 18:14 | 10 h 15 min |
| 23 | 07:05 | 07:32 | 17:46 | 18:13 | 10 h 14 min |
| 24 | 07:06 | 07:33 | 17:46 | 18:13 | 10 h 13 min |
| 25 | 07:07 | 07:34 | 17:45 | 18:12 | 10 h 12 min |
| 26 | 07:07 | 07:34 | 17:45 | 18:12 | 10 h 11 min |
| 27 | 07:08 | 07:35 | 17:45 | 18:11 | 10 h 10 min |
| 28 | 07:08 | 07:35 | 17:44 | 18:11 | 10 h 09 min |
| 29 | 07:09 | 07:36 | 17:44 | 18:11 | 10 h 08 min |
| 30 | 07:10 | 07:37 | 17:43 | 18:10 | 10 h 07 min |
| 31 | 07:10 | 07:37 | 17:43 | 18:10 | 10 h 06 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in May?
In May, the typical synthesis window in Santiago runs from 11:00 to 15:00: with medium skin and a t-shirt, ~14 min at the best moment is enough.
See the Santiago vitamin D guideCommon questions about the sun in Santiago in May
- Where does the sun set in Santiago in May?
- Mid-May in Santiago: the sun sets in the west, a bearing of 292° measured from true north, which is 22° north of due west. It rises in the east, at 68°. Over the month both points shift 9° north.
- How much daylight does Santiago lose in May?
- Over May the day gets 42 minutes shorter in Santiago: on May 1 the sun rises at 07:16 and sets at 18:03, and on day 31 it rises at 07:37 and sets at 17:43.
- How many hours of daylight does Santiago get in May?
- In mid-May the day lasts 10 h 25 min in Santiago, from sunrise at 07:27 to sunset at 17:51. 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 May?
- In mid-May the sky starts to get light at 07:00 in Santiago, when the sun is 6° below the horizon, and the sun itself does not rise until 07:27. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Santiago in May?
- It's not the same time as sunset. In mid-May in Santiago the sun sets at 17:51, but there is still light: civil twilight does not end until 18:18, 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 May?
- In mid-May, between 11:00 and 15:00: 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 14 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.