SolarDesign Pro | Architect-Grade Sun Path Calculator for India

Project Parameters

Indian City

Building Type

Analysis Date

Site Orientation (° from True North)

West 90° True North 0° East 90°

Critical Seasonal Analysis

Summer Solstice

21 June

Winter Solstice

21 Dec

Vernal Equinox

21 Mar

Autumnal Equinox

23 Sep

Seasonal Sun Path Visualization

Summer Solstice Path

Winter Solstice Path

Equinox Path

Current Sun Position

12:00 PM IST Sun: Altitude: 78.3°, Azimuth: 180.5° Shadow: 2.3m

Accurate Solar Data

Sunrise (IST)

6:05 AM

Sunset (IST)

7:10 PM

Daylight Duration

13h 05m

Solar Noon (IST)

12:37 PM

Max Solar Altitude

78.3°

Solar Declination

+23.5°

Using NOAA solar algorithm with corrected IST timezone handling (meridian: 82.5°E)

Daily Façade Solar Exposure

Analysis based on hourly solar positions (6 AM to 6 PM IST)

Professional Design Recommendations

Shading Device Calculator

Window Height (m)

Required Overhang Depth:

1.8 m

Winter Sun Penetration:

2.4 m

Professional Report Export

Generate comprehensive solar design reports for client presentations, ECBC compliance documentation, and architectural drawings.

Click "Export PDF Report" to generate professional documentation

Includes all calculations, diagrams, and design recommendations

Vastu-Climate Integration

North-East (Ishanya)

Optimal for pooja room, water elements. Low solar exposure aligns with Vastu purity. Place main entrance here for morning sun benefits.

South-East (Agneya)

Kitchen placement. Morning sun aids drying. Provide adjustable shading for afternoon heat. Ideal for solar water heaters.

South-West (Nairutya)

Master bedroom location. Use 230mm thick walls with insulation. Place heavy furniture here for stability.

North-West (Vayavya)

Guest bedrooms, storage. Ensure cross-ventilation. Avoid large openings to prevent cold winter winds.