Solar & Daylight Data

Updated 2026-08-31

Sun Path: Abu Dhabi, UAE

How to research sun path for a specific site in Abu Dhabi — the controlling authority, source documents, and checks to run before you rely on a number.

Last updated August 31, 2026 · Location data from the [GeoNames AE dump](https://download.geonames.org/export/dump/AE.zip) (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 292968). Regulatory starting point: [UAE Government overview of local building authorities](https://u.ae/en/information-and-services/justice-safety-and-the-law/building-safety). Figures are illustrative — verify against the current locally adopted edition for the site. Solar-method context: [NOAA Solar Calculation Details](https://gml.noaa.gov/grad/solcalc/calcdetails.html); the Harth monthly table uses a simpler declination and geometric-daylight approximation whose stated limitations must be retained.

Direct answer

For Abu Dhabi at 24.4512, 54.3970, the declination-only solar-noon altitude is approximately 89.0° at the June solstice, 65.5° at an equinox and 42.1° at the December solstice. Refine these geometry checks with the project date, civil time, facade azimuth, terrain and local horizon. The reproducible location record is GeoNames ID 292968 in administrative area 01, at 24.4512, 54.3970; replace it with the surveyed parcel point before relying on the result. As a transparent geometry check, declination-only solar-noon altitude is about 89.0° at the June solstice, 65.5° at an equinox and 42.1° at the December solstice. Representative 21st-day geometry ranges from about 10.5 hours in December to 13.5 hours in June; this excludes atmospheric refraction, terrain and obstruction effects. The cited national authority is a discovery starting point; current local documents and a named qualified reviewer control project use of this sun path record.

Prepared by Harth · Prepared from the cited location and country sources; local project inputs remain unreviewed · Published 2026-08-26 · Updated 2026-08-31.

What must be verified for Abu Dhabi?

Abu Dhabi is represented here at approximately 24.4512, 54.3970 for discovery and workflow planning. A project address, parcel, elevation, exposure, authority, and submission date must replace that city-centre reference before design use.

How should sun path be established?

  1. Fix the surveyed site and local time basis.
  2. Select an authoritative weather source or a named solar-position algorithm.
  3. Record period, percentile or scenario and units.
  4. Test sensitivity to elevation, exposure, urban form and horizon.
  5. Save the source file, retrieval date and checker in the model record.
InputProject-specific evidenceQA question
Sitesurveyed coordinates, elevation and horizonDoes the point represent the building?
Weather/solar methodnamed dataset, algorithm, period and time basisAre station, time zone and units explicit?
Design scenariocurrent and future scenario agreed by the teamIs an average being mistaken for an extreme?
Complianceadopted local document and editionWas applicability confirmed with the authority?

What are the limits of this worksheet?

This sun-path-workflow page is a project-starting worksheet, not a design value or approval. The controlling authority and qualified professionals for the Abu Dhabi site remain authoritative.

Abu Dhabi monthly solar geometry check for sun path

Representative dateDeclinationSolar-noon altitudeGeometric daylightNoon shadow / height
21 January-20.14°45.41°10.720 h0.986
21 February-11.23°54.32°11.310 h0.718
21 March-0.40°65.15°11.976 h0.463
21 April+11.58°77.13°12.713 h0.229
21 May+20.14°85.69°13.280 h0.075
21 June+23.45°89.00°13.517 h0.017
21 July+20.44°85.99°13.301 h0.070
21 August+11.75°77.30°12.724 h0.225
21 September-0.20°65.35°11.988 h0.459
21 October-11.75°53.79°11.276 h0.732
21 November-20.44°45.11°10.699 h0.996
21 December-23.45°42.10°10.483 h1.107

Abu Dhabi solar-geometry fingerprint at 24.4512, 54.3970

  • Abu Dhabi, 21 January: declination -20.14°, noon altitude 45.41°, zenith 44.59°, geometric daylight 10.720 hours, and vertical-object noon shadow ratio 0.986.
  • Abu Dhabi, 21 February: declination -11.23°, noon altitude 54.32°, zenith 35.68°, geometric daylight 11.310 hours, and vertical-object noon shadow ratio 0.718.
  • Abu Dhabi, 21 March: declination -0.40°, noon altitude 65.15°, zenith 24.85°, geometric daylight 11.976 hours, and vertical-object noon shadow ratio 0.463.
  • Abu Dhabi, 21 April: declination +11.58°, noon altitude 77.13°, zenith 12.87°, geometric daylight 12.713 hours, and vertical-object noon shadow ratio 0.229.
  • Abu Dhabi, 21 May: declination +20.14°, noon altitude 85.69°, zenith 4.31°, geometric daylight 13.280 hours, and vertical-object noon shadow ratio 0.075.
  • Abu Dhabi, 21 June: declination +23.45°, noon altitude 89.00°, zenith 1.00°, geometric daylight 13.517 hours, and vertical-object noon shadow ratio 0.017.
  • Abu Dhabi, 21 July: declination +20.44°, noon altitude 85.99°, zenith 4.01°, geometric daylight 13.301 hours, and vertical-object noon shadow ratio 0.070.
  • Abu Dhabi, 21 August: declination +11.75°, noon altitude 77.30°, zenith 12.70°, geometric daylight 12.724 hours, and vertical-object noon shadow ratio 0.225.
  • Abu Dhabi, 21 September: declination -0.20°, noon altitude 65.35°, zenith 24.65°, geometric daylight 11.988 hours, and vertical-object noon shadow ratio 0.459.
  • Abu Dhabi, 21 October: declination -11.75°, noon altitude 53.79°, zenith 36.21°, geometric daylight 11.276 hours, and vertical-object noon shadow ratio 0.732.
  • Abu Dhabi, 21 November: declination -20.44°, noon altitude 45.11°, zenith 44.89°, geometric daylight 10.699 hours, and vertical-object noon shadow ratio 0.996.
  • Abu Dhabi, 21 December: declination -23.45°, noon altitude 42.10°, zenith 47.90°, geometric daylight 10.483 hours, and vertical-object noon shadow ratio 1.107.

Harth computed the Abu Dhabi fingerprint for latitude 24.4512° with the Cooper declination approximation, 90° - |latitude - declination| at solar noon, centre-to-centre sunrise hour angle and 1 / tan(altitude) shadow ratio. Longitude 54.3970° is retained for a later civil-time conversion; this screen does not perform that conversion. See NOAA's solar calculation details. Atmospheric refraction, terrain, facade azimuth and obstructions remain outside this first-pass comparison.

Sources and method

Location data from the GeoNames AE dump (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 292968). Regulatory starting point: UAE Government overview of local building authorities. Figures are illustrative — verify against the current locally adopted edition for the site. Solar-method context: NOAA Solar Calculation Details; the Harth monthly table uses a simpler declination and geometric-daylight approximation whose stated limitations must be retained.

Frequently asked questions

What does the sun path record for Abu Dhabi establish?

The sun path record for Abu Dhabi establishes a reproducible discovery point at 24.4512, 54.3970 (GeoNames ID 292968, administrative area 01) and a United Arab Emirates source path. It does not establish a final project value, approval or parcel decision.

What must be replaced before using this sun path workflow for a project in Abu Dhabi?

For the sun path record in Abu Dhabi, replace the 24.4512, 54.3970 city reference with the surveyed site or parcel, identify the competent local authority, and verify the current documents under emirate- and municipality-specific building regulations and permit systems. Record the edition, retrieval date, units, assumptions and named checker before relying on the result.

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