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
02:40:05
13/04/2026 • UTC
Now
-20.37°
Altitude • Azimuth 40.13° • TST 02:30:41
Panel score0.0%
Shadow lengthNo direct sun
MoonWaning Crescent (16.5%)
Sun altitude gauge
0° horizon • 90° zenith
Sun windows
Sunrise05:15:53
Solar noon12:09:18
Sunset19:02:43
Daylight13.78 h
Twilight
Civil dawn04:39:10
Civil dusk19:39:25
Nautical dawn03:53:37
Nautical dusk20:24:59
Astronomical dawn03:02:04
Astronomical dusk21:16:32
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 Crescent • 16.5% illuminated
Sun path (today)
Approximate daily sky arc for visual orientation.
Moon path (today)
Approximate current lunar sky position.
Telemetry
Clock time02:40:05
Date13/04/2026
TimezoneUTC
Latitude53.2600°
Longitude-2.1300°
True Solar Time02:30:41
Equation of Time-0.886 min
Solar declination8.6160°
Hour angle-142.3306°
Solar altitude-20.3709°
Solar azimuth40.1294°
Moon altitude-10.9096°
Moon azimuth97.4900°
Moon phaseWaning Crescent
Moon illumination16.5%
Shadow lengthNo direct sun
Panel alignment score0.0%
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