Sunlight Analysis

Sunlight Hours in Zigong

Sunlight hours, shadow patterns, and solar analysis for Zigong, China

Interactive 3D Shadow Map

Summer afternoon in Zigong

Zigong

3:30 PM • Summer Solstice

Full Screen

Interactive 3D shadow analysis map of Zigong. 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.

Drag to rotateScroll to zoomWatch shadows move in real-time

Today's Sunlight

March Average

Sunrise

07:12

Sunset

19:07

Total Daylight

11h 56m

Sun Altitude

59°

at noon

Seasonal Extremes

☀️

Longest Day

13.9h

2026-06-21

❄️

Shortest Day

10.2h

2026-12-21

Interactive 3D

Explore Shadows in 3D

See exactly how building shadows fall across Zigong at any time of day or year.

Location
Lat

29.3416°

Lng

104.7769°

Launch 3D Map

Best Time to Visit Zigong

Month-by-month daylight conditions

Zigong has moderate seasonal variation (3.8h difference between longest and shortest days). May-August offers the best conditions for outdoor activities.

Peak Months

Jun, Jul, May, Aug

Shoulder Season

Apr & Sep

Winter

Jan

10.4h

Good

Winter

Feb

11.1h

Good

Spring

Mar

11.9h

Great

Spring

Apr

12.8h

Excellent

Spring

May

13.5h

Excellent

Summer

Jun

13.9h

Excellent

Summer

Jul

13.7h

Excellent

Summer

Aug

13.1h

Excellent

Autumn

Sep

12.2h

Great

Autumn

Oct

11.4h

Good

Autumn

Nov

10.6h

Good

Winter

Dec

10.2h

Fair

Excellent (14h+) Great (12-14h) Good (10-12h) Fair (8-10h) Limited (<8h)

Golden Hour in Zigong

Best times for photography

March Golden Hour

Morning

07:12 - 08:12

Blue hour from 06:42

Evening

18:07 - 19:07

Blue hour until 19:37

Best Months

  • 1Year-roundConsistent golden hour length
  • 2Oct-AprMilder temperatures for outdoor shoots
  • 3Jun-AugLatest 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 south during midday for even lighting on subjects
  • Check the 3D shadow map to scout locations and predict light direction

Understanding Zigong's Sunlight

AI-powered insights for your location

Zigong's mid-latitude location (29.3°N) creates moderate seasonal variation, with winter days 3.8 hours shorter than summer. The sun reaches 84° at summer noon but only 37° in winter.

Key Challenges

  • 1Low winter sun angle (37°) affects south-facing properties
  • 2Consider local weather patterns that may affect sunshine
  • 3Urban buildings may create additional shadows

Best Months

April through September offers the longest days and highest sun angles in the Northern Hemisphere.

Garden Tips

South-facing gardens receive the most consistent sunlight year-round in Zigong. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Zigong good for solar panels?

With approximately 1,983 annual sun hours, Zigong has good solar potential. A well-designed system can significantly reduce electricity costs.

Annual Sun Hours

1,983

estimated

Optimal Panel Tilt

29°

facing south

Peak Production

Jun, Jul, May

highest output

Relative Monthly Production

Jan
36%
Feb
46%
Mar
61%
Apr
78%
May
93%
Jun
100%
Jul
96%
Aug
83%
Sep
67%
Oct
51%
Nov
39%
Dec
33%

Installation Tips for Zigong

  • Orient panels south with a 29° 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 (44°), flatter in summer (14°)

UV Index & Sun Safety

Protect yourself in Zigong

March UV Index

11Extreme

Maximum protection essential. Avoid outdoor activities during peak hours.

UV Index Scale:
1-2 Low3-5 Mod6-7 High8-10 V.High11+ Ext

Monthly UV Index

8
Jan
10
Feb
11
Mar
12
Apr
13
May
13
Jun
13
Jul
13
Aug
12
Sep
10
Oct
9
Nov
8
Dec

Peak UV Months

May, Jun, Jul 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 Zigong

Best times for popular activities

Best Activities in March

🥇

Gardening

55% match

🥈

Outdoor Dining

25% match

🥉

Hiking & Walking

25% match

Year-Round Activity Guide

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Outdoor Dining
Hiking & Walking
Beach & Swimming
Photography
Gardening
Running & Cycling
Best months Good Fair Limited Current month

Outdoor Dining

Enjoy al fresco dining during the warmer months with longer evening light.

Best:Jun, Jul, Aug

Hiking & Walking

Mild temperatures and good daylight make spring and autumn ideal for trails.

Best:Apr, May, Sep

Beach & Swimming

Peak sun and warmest temperatures during summer months.

Best:Jun, Jul, Aug

Seasonal Sunlight Calendar

Monthly averages throughout the year

MonthSunriseSunsetDaylightSun Angle
January
07:5818:22
10h 26m
40°
February
07:4218:48
11h 6m
48°
March
07:1219:07
11h 56m
59°
April
06:3619:25
12h 49m
71°
May
06:1119:43
13h 31m
80°
☀️June
06:0419:59
13h 53m
84°
☀️July
06:1419:58
13h 41m
82°
☀️August
06:3219:37
13h 4m
74°
September
06:4819:02
12h 13m
63°
October
07:0518:27
11h 22m
52°
November
07:2818:02
10h 36m
42°
December
07:5018:01
10h 14m
38°
☀️

Summer Solstice

13.9h daylight

❄️

Winter Solstice

10.2h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Zigong

1

How many hours of sunlight does Zigong get?

Zigong receives an average of 12.1 hours of daylight per day. This varies throughout the year, from 10.2 hours on the shortest day to 13.9 hours on the longest day.

2

What is the sun angle in Zigong during winter?

During winter solstice, the sun reaches a maximum altitude of only 37.2° above the horizon at solar noon in Zigong. This creates shadows that are 1.3x the height of objects.

3

When is the best time for outdoor activities in Zigong?

April through September offers the longest days and highest sun angles in the Northern Hemisphere.

4

How do I plan a garden in Zigong for maximum sunlight?

South-facing gardens receive the most consistent sunlight year-round in Zigong. Consider shadow patterns from neighboring structures when planning outdoor spaces.

5

What time is golden hour in Zigong?

In March, golden hour in Zigong occurs in the morning from 07:12 - 08:12 and in the evening from 18:07 - 19:07. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Zigong?

The UV index in Zigong 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).

7

Are solar panels worth it in Zigong?

Zigong receives approximately 1,983 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 south at a 29° tilt angle.

8

When is sunrise and sunset in Zigong?

In March, sunrise in Zigong is around 07:12 and sunset is around 19:07, giving 11.9 hours of daylight. The earliest sunrise occurs around the summer solstice (06:05) and latest sunset follows shortly after.

9

What is the best month to visit Zigong for weather?

For optimal daylight and outdoor conditions in Zigong, April through September offers the longest days and highest sun angles in the Northern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.

10

How long are shadows in Zigong?

Shadow length varies dramatically by season in Zigong. At summer noon, shadows are only 0.1x the height of objects (sun at 84°). In winter, shadows extend to 1.3x object height (sun at just 37°).