Vitamin D

The sun, month by month

Sunrise and sunset in Santiago in April

On April 1 in Santiago the sun rises at 07:54 and sets at 19:40; on day 30 it rises at 07:15 and sets at 18:04. Over the month the day gets 58 minutes shorter.

In Santiago (-33.5° latitude), April 2026 has 30 days whose sun rises at 07:54 and sets at 19:40 on the 1st, and at 07:15 and 18:04 on the 30th. Mid-month the day lasts 11 h 18 min and the sun reaches 47° above the horizon. Vitamin D synthesis is possible between 11:00 and 16:00, which is when the UV index reaches at least 3: at the best moment of the day about 9 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

Sunrise07:04
Sunset18:22
Golden hour17:48–18:22
Day length11 h 18 min

Where does the sun rise and set in Santiago in April?

Where it risesEast79°
Where it setsWest281°

Mid-April in Santiago: the sun rises in the east — a bearing of 79°, measured from true north — and sets in the west, at 281°. That is 11° north of due east at sunrise, and the same 11° north of due west at sunset. From the 1st to the last day of the month both points shift 13° 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.

DayDawnSunriseSunsetDuskDay length
107:2907:5419:4020:0511 h 47 min
207:3007:5419:3920:0411 h 45 min
307:3007:5519:3820:0211 h 43 min
407:3107:5619:3620:0111 h 40 min
506:3206:5718:3519:0011 h 38 min
606:3206:5718:3418:5811 h 36 min
706:3306:5818:3218:5711 h 34 min
806:3406:5918:3118:5611 h 32 min
906:3507:0018:3018:5511 h 30 min
1006:3507:0018:2818:5311 h 28 min
1106:3607:0118:2718:5211 h 26 min
1206:3707:0218:2618:5111 h 24 min
1306:3707:0318:2418:4911 h 22 min
1406:3807:0318:2318:4811 h 20 min
1506:3907:0418:2218:4711 h 18 min
1606:4007:0518:2118:4611 h 16 min
1706:4007:0518:1918:4411 h 14 min
1806:4107:0618:1818:4311 h 12 min
1906:4207:0718:1718:4211 h 10 min
2006:4207:0818:1618:4111 h 08 min
2106:4307:0818:1418:4011 h 06 min
2206:4407:0918:1318:3911 h 04 min
2306:4507:1018:1218:3811 h 02 min
2406:4507:1118:1118:3611 h 00 min
2506:4607:1218:1018:3510 h 58 min
2606:4707:1218:0918:3410 h 57 min
2706:4707:1318:0818:3310 h 55 min
2806:4807:1418:0718:3210 h 53 min
2906:4907:1518:0618:3110 h 51 min
3006:5007:1518:0418:3010 h 49 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in April?

In April, the typical synthesis window in Santiago runs from 11:00 to 16:00: with medium skin and a t-shirt, ~9 min at the best moment is enough.

See the Santiago vitamin D guide

Common questions about the sun in Santiago in April

Where does the sun set in Santiago in April?
Mid-April in Santiago: the sun sets in the west, a bearing of 281° measured from true north, which is 11° north of due west. It rises in the east, at 79°. Over the month both points shift 13° north.
How much daylight does Santiago lose in April?
Over April the day gets 58 minutes shorter in Santiago: on April 1 the sun rises at 07:54 and sets at 19:40, and on day 30 it rises at 07:15 and sets at 18:04.
How many hours of daylight does Santiago get in April?
In mid-April the day lasts 11 h 18 min in Santiago, from sunrise at 07:04 to sunset at 18:22. The table has the day length for each of the 30 days of the month.
What time does it start to get light in Santiago in April?
In mid-April the sky starts to get light at 06:39 in Santiago, when the sun is 6° below the horizon, and the sun itself does not rise until 07:04. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Santiago in April?
It's not the same time as sunset. In mid-April in Santiago the sun sets at 18:22, but there is still light: civil twilight does not end until 18:47, 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 April?
In mid-April, between 11:00 and 16:00: 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 9 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.