Sunlight Analysis

Sunlight Hours in Golestān

Sunlight hours, shadow patterns, and solar analysis for Golestān, IR

Interactive 3D Shadow Map

Summer afternoon in Golestān

Golestān

3:30 PM • Summer Solstice

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Interactive 3D shadow analysis map of Golestān. 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

April Average

Sunrise

05:35

Sunset

18:35

Total Daylight

12h 59m

Sun Altitude

64°

at noon

Seasonal Extremes

☀️

Longest Day

14.4h

2026-06-21

❄️

Shortest Day

9.7h

2026-12-21

Interactive 3D

Explore Shadows in 3D

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

Location
Lat

35.5183°

Lng

51.1819°

Launch 3D Map

Best Time to Visit Golestān

Month-by-month daylight conditions

Golestān has moderate seasonal variation (4.8h 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

10.0h

Fair

Winter

Feb

10.8h

Good

Spring

Mar

11.9h

Great

Spring

Apr

13.0h

Excellent

Spring

May

13.9h

Excellent

Summer

Jun

14.4h

Excellent

Summer

Jul

14.2h

Excellent

Summer

Aug

13.4h

Excellent

Autumn

Sep

12.3h

Great

Autumn

Oct

11.2h

Good

Autumn

Nov

10.2h

Fair

Winter

Dec

9.7h

Fair

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

Golden Hour in Golestān

Best times for photography

April Golden Hour

Morning

05:35 - 06:35

Blue hour from 05:05

Evening

17:35 - 18:35

Blue hour until 19:05

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 Golestān's Sunlight

AI-powered insights for your location

Golestān's mid-latitude location (35.5°N) creates moderate seasonal variation, with winter days 4.8 hours shorter than summer. The sun reaches 78° at summer noon but only 31° in winter.

Key Challenges

  • 1Low winter sun angle (31°) 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 Golestān. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Golestān good for solar panels?

With approximately 1,985 annual sun hours, Golestān has good solar potential. A well-designed system can significantly reduce electricity costs.

Annual Sun Hours

1,985

estimated

Optimal Panel Tilt

36°

facing south

Peak Production

Jun, Jul, May

highest output

Relative Monthly Production

Jan
31%
Feb
41%
Mar
56%
Apr
75%
May
91%
Jun
100%
Jul
96%
Aug
82%
Sep
63%
Oct
46%
Nov
33%
Dec
28%

Installation Tips for Golestān

  • Orient panels south with a 36° 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 (51°), flatter in summer (21°)

UV Index & Sun Safety

Protect yourself in Golestān

April 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

7
Jan
8
Feb
10
Mar
11
Apr
12
May
12
Jun
12
Jul
12
Aug
11
Sep
9
Oct
7
Nov
7
Dec

Peak UV Months

May, Jun, Jul have the highest UV levels (up to 12). 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 Golestān

Best times for popular activities

Best Activities in April

🥇

Outdoor Dining

61% match

🥈

Hiking & Walking

61% match

🥉

Gardening

61% 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
07:1717:12
9h 59m
34°
February
06:5517:44
10h 49m
42°
March
06:1918:09
11h 52m
53°
April
05:3518:35
12h 59m
64°
May
05:0318:59
13h 55m
73°
☀️June
04:5219:18
14h 23m
77°
☀️July
05:0419:17
14h 10m
75°
☀️August
05:2718:51
13h 22m
68°
September
05:5018:09
12h 19m
57°
October
06:1417:27
11h 12m
46°
November
06:4316:55
10h 14m
36°
December
07:1016:50
9h 44m
32°
☀️

Summer Solstice

14.4h daylight

❄️

Winter Solstice

9.7h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Golestān

1

How many hours of sunlight does Golestān get?

Golestān receives an average of 12.1 hours of daylight per day. This varies throughout the year, from 9.7 hours on the shortest day to 14.4 hours on the longest day.

2

What is the sun angle in Golestān during winter?

During winter solstice, the sun reaches a maximum altitude of only 31.0° above the horizon at solar noon in Golestān. This creates shadows that are 1.7x the height of objects.

3

When is the best time for outdoor activities in Golestān?

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

4

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

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

5

What time is golden hour in Golestān?

In April, golden hour in Golestān occurs in the morning from 05:35 - 06:35 and in the evening from 17:35 - 18:35. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Golestān?

The UV index in Golestān varies by season. During summer, UV can reach 12 (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 Golestān?

Golestān receives approximately 1,985 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 36° tilt angle.

8

When is sunrise and sunset in Golestān?

In April, sunrise in Golestān is around 05:35 and sunset is around 18:35, giving 13.0 hours of daylight. The earliest sunrise occurs around the summer solstice (04:53) and latest sunset follows shortly after.

9

What is the best month to visit Golestān for weather?

For optimal daylight and outdoor conditions in Golestān, 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 Golestān?

Shadow length varies dramatically by season in Golestān. At summer noon, shadows are only 0.2x the height of objects (sun at 78°). In winter, shadows extend to 1.7x object height (sun at just 31°).