Sunlight Hours in Formosa
Sunlight hours, shadow patterns, and solar analysis for Formosa, Argentina
Interactive 3D Shadow Map
Summer afternoon in Formosa
Formosa
3:30 PM • Summer Solstice
Interactive 3D shadow analysis map of Formosa. Shows real building shadows based on sun position calculations. Features include: time-of-day simulation, date selection for seasonal analysis, 3D building rendering, tree shadows, terrain elevation, and sun position indicators. Powered by Mapbox GL JS and SunCalc astronomical calculations.
Today's Sunlight
March Average
Sunrise
06:56
Sunset
19:06
Total Daylight
12h 9m
Sun Altitude
66°
at noon
Seasonal Extremes
Longest Day
13.7h
2026-12-21
Shortest Day
10.4h
2026-06-21
Explore Shadows in 3D
See exactly how building shadows fall across Formosa at any time of day or year.
-26.1849°
-58.1731°
Best Time to Visit Formosa
Month-by-month daylight conditions
Formosa has moderate seasonal variation (3.3h difference between longest and shortest days). November-February offers the best conditions for outdoor activities.
Peak Months
Dec, Jan, Nov, Feb
Shoulder Season
Oct & Mar
Summer
Jan
13.4h
Excellent
Summer
Feb
12.9h
Excellent
Autumn
Mar
12.2h
Great
Autumn
Apr
11.4h
Good
Autumn
May
10.8h
Good
Winter
Jun
10.4h
Good
Winter
Jul
10.6h
Good
Winter
Aug
11.1h
Good
Spring
Sep
11.9h
Great
Spring
Oct
12.6h
Great
Spring
Nov
13.3h
Excellent
Summer
Dec
13.6h
Excellent
Golden Hour in Formosa
Best times for photography
March Golden Hour
06:56 - 07:56
Blue hour from 06:26
18:06 - 19:06
Blue hour until 19:36
Best Months
- 1Year-round — Consistent golden hour length
- 2Apr-Oct — Milder temperatures for outdoor shoots
- 3Dec-Feb — Latest sunsets for evening shoots
Photography Tips
- Golden hour transitions are relatively quick - be prepared and in position early
- Midday sun can be harsh; use it for high-contrast architectural photography
- Face north during midday for even lighting on subjects
- Check the 3D shadow map to scout locations and predict light direction
Understanding Formosa's Sunlight
AI-powered insights for your location
Formosa's mid-latitude location (26.2°S) creates moderate seasonal variation, with winter days 3.3 hours shorter than summer. The sun reaches 87° at summer noon but only 40° in winter.
Key Challenges
- 1Consider local weather patterns that may affect sunshine
- 2Urban buildings may create additional shadows
Best Months
October through March offers the longest days and highest sun angles in the Southern Hemisphere.
Garden Tips
North-facing gardens receive the most consistent sunlight year-round in Formosa. Consider shadow patterns from neighboring structures when planning outdoor spaces.
Solar Energy Potential
Is Formosa good for solar panels?
With approximately 1,973 annual sun hours, Formosa has good solar potential. A well-designed system can significantly reduce electricity costs.
Annual Sun Hours
1,973
estimated
Optimal Panel Tilt
26°
facing north
Peak Production
Dec, Jan, Nov
highest output
Relative Monthly Production
Installation Tips for Formosa
- Orient panels north with a 26° tilt for optimal year-round performance
- Use the 3D shadow map to check for obstructions from trees or neighboring buildings
- Consider seasonal tilt adjustment: steeper in winter (41°), flatter in summer (11°)
UV Index & Sun Safety
Protect yourself in Formosa
March UV Index
Maximum protection essential. Avoid outdoor activities during peak hours.
Monthly UV Index
Peak UV Months
Jan, Feb, Oct have the highest UV levels (up to 13). Take extra precautions during these months.
Protection Needed
- SPF 50+ broad-spectrum sunscreen
- Full coverage clothing and wide-brim hat
- Stay indoors 10am-4pm
Outdoor Activities in Formosa
Best times for popular activities
Best Activities in March
Outdoor Dining
56% match
Hiking & Walking
56% match
Gardening
56% match
Year-Round Activity Guide
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outdoor Dining | ★ | ★ | ★ | ★ | ★ | |||||||
| Hiking & Walking | ★ | ★ | ★ | ★ | ||||||||
| Beach & Swimming | ★ | ★ | ★ | |||||||||
| Photography | ★ | ★ | ★ | ★ | ★ | |||||||
| Gardening | ★ | ★ | ★ | ★ | ★ | |||||||
| Running & Cycling | ★ | ★ | ★ | ★ | ★ | ★ | ★ |
Outdoor Dining
Enjoy al fresco dining during the warmer months with longer evening light.
Hiking & Walking
Mild temperatures and good daylight make spring and autumn ideal for trails.
Beach & Swimming
Peak sun and warmest temperatures during summer months.
Seasonal Sunlight Calendar
Monthly averages throughout the year
| Month | Sunrise | Sunset | Daylight | Sun Angle |
|---|---|---|---|---|
☀️January | 06:17 | 19:47 | 13h 27m | 84° |
☀️February | 06:40 | 19:32 | 12h 52m | 76° |
March | 06:56 | 19:06 | 12h 9m | 66° |
April | 07:11 | 18:33 | 11h 23m | 54° |
May | 07:26 | 18:11 | 10h 46m | 45° |
June | 07:40 | 18:05 | 10h 27m | 41° |
July | 07:42 | 18:15 | 10h 36m | 43° |
August | 07:24 | 18:30 | 11h 8m | 50° |
September | 06:52 | 18:43 | 11h 52m | 61° |
October | 06:20 | 18:57 | 12h 37m | 73° |
November | 05:58 | 19:16 | 13h 17m | 82° |
☀️December | 05:57 | 19:38 | 13h 38m | 87° |
Summer Solstice
13.7h daylight
Winter Solstice
10.4h daylight
Explore Nearby Cities
Sunlight data for surrounding areas
Frequently Asked Questions
Sunlight in Formosa
1How many hours of sunlight does Formosa get?
How many hours of sunlight does Formosa get?
Formosa receives an average of 12 hours of daylight per day. This varies throughout the year, from 10.4 hours on the shortest day to 13.7 hours on the longest day.
2What is the sun angle in Formosa during winter?
What is the sun angle in Formosa during winter?
During winter solstice, the sun reaches a maximum altitude of only 40.4° above the horizon at solar noon in Formosa. This creates shadows that are 1.2x the height of objects.
3When is the best time for outdoor activities in Formosa?
When is the best time for outdoor activities in Formosa?
October through March offers the longest days and highest sun angles in the Southern Hemisphere.
4How do I plan a garden in Formosa for maximum sunlight?
How do I plan a garden in Formosa for maximum sunlight?
North-facing gardens receive the most consistent sunlight year-round in Formosa. Consider shadow patterns from neighboring structures when planning outdoor spaces.
5What time is golden hour in Formosa?
What time is golden hour in Formosa?
In March, golden hour in Formosa occurs in the morning from 06:56 - 07:56 and in the evening from 18:06 - 19:06. These times shift throughout the year as sunrise and sunset times change.
6What is the UV index in Formosa?
What is the UV index in Formosa?
The UV index in Formosa varies by season. During summer, UV can reach 13 (very high), while winter UV levels are much lower. Always check daily UV forecasts and wear SPF 30+ sunscreen during peak hours (10am-4pm).
7Are solar panels worth it in Formosa?
Are solar panels worth it in Formosa?
Formosa receives approximately 1,973 hours of sunshine annually. This makes it a good location for solar panels, with typical payback periods of 5-10 years. For optimal performance, orient panels north at a 26° tilt angle.
8When is sunrise and sunset in Formosa?
When is sunrise and sunset in Formosa?
In March, sunrise in Formosa is around 06:56 and sunset is around 19:06, giving 12.2 hours of daylight. The earliest sunrise occurs around the summer solstice (06:00) and latest sunset follows shortly after.
9What is the best month to visit Formosa for weather?
What is the best month to visit Formosa for weather?
For optimal daylight and outdoor conditions in Formosa, October through March offers the longest days and highest sun angles in the Southern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.
10How long are shadows in Formosa?
How long are shadows in Formosa?
Shadow length varies dramatically by season in Formosa. At summer noon, shadows are only 0.1x the height of objects (sun at 87°). In winter, shadows extend to 1.2x object height (sun at just 40°).