Precision Solar Observatory - By Oliver Wood
Solar Observatory
NOAA-style solar maths, twilight windows, panel optimisation, shadow projection, moon phase, browser geolocation, and optional persistence.
Live clock
17:37:18
03/06/2026 • UTC
Now
21.92°
Altitude • Azimuth 278.24° • TST 17:31:00
Panel score0.0%
Shadow length4.97 m
MoonWaning Gibbous (87.5%)
Sun altitude gauge
0° horizon • 90° zenith
Sun windows
Sunrise03:46:17
Solar noon12:06:16
Sunset20:26:14
Daylight16.67 h
Twilight
Civil dawn02:56:42
Civil dusk21:15:49
Nautical dawn01:36:59
Nautical dusk22:35:33
Astronomical dawn—
Astronomical dusk—
Moon altitude gauge
0° horizon • 90° zenith
Panel optimisation
Current panel azimuth180°
Current panel tilt35°
Best annual tilt43.3°
Best summer tilt38.3°
Best winter tilt68.3°
Facing recommendationFace South
Moon phase
Waning Gibbous • 87.5% illuminated
Sun path (today)
Approximate daily sky arc for visual orientation.
Moon path (today)
Approximate current lunar sky position.
Telemetry
Clock time17:37:18
Date03/06/2026
TimezoneUTC
Latitude53.2600°
Longitude-2.1300°
True Solar Time17:31:00
Equation of Time2.221 min
Solar declination22.2493°
Hour angle82.7502°
Solar altitude21.9188°
Solar azimuth278.2361°
Moon altitude-48.2959°
Moon azimuth64.8641°
Moon phaseWaning Gibbous
Moon illumination87.5%
Shadow length4.97 m
Panel alignment score0.0%
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