Solar & Daylight Data

Updated 2026-08-31

Sun Path: Kampung Larkin Lama, Malaysia

How to research sun path for a specific site in Kampung Larkin Lama — 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 MY dump](https://download.geonames.org/export/dump/MY.zip) (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 1732724). Regulatory starting point: [the applicable state and local authority](https://jkt.kpkt.gov.my/). 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 Kampung Larkin Lama at 1.5024, 103.7440, the declination-only solar-noon altitude is approximately 68.1° at the June solstice, 88.5° at an equinox and 65.1° 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 1732724 in administrative area 01, at 1.5024, 103.7440; replace it with the surveyed parcel point before relying on the result. As a transparent geometry check, declination-only solar-noon altitude is about 68.1° at the June solstice, 88.5° at an equinox and 65.1° at the December solstice. Representative 21st-day geometry ranges from about 11.9 hours in December to 12.1 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 Kampung Larkin Lama?

Kampung Larkin Lama is represented here at approximately 1.5024, 103.7440 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 Kampung Larkin Lama site remain authoritative.

This primary route consolidates the location evidence needed for Sun Path, Solar Altitude & Azimuth, Solar Shading Design, Daylight & Orientation. A narrower route should be released only when it adds a materially different official source, calculation, process, threshold or worked example.

Kampung Larkin Lama monthly solar geometry check for sun path

Representative dateDeclinationSolar-noon altitudeGeometric daylightNoon shadow / height
21 January-20.14°68.36°11.927 h0.397
21 February-11.23°77.27°11.960 h0.226
21 March-0.40°88.09°11.999 h0.033
21 April+11.58°79.92°12.041 h0.178
21 May+20.14°71.36°12.073 h0.337
21 June+23.45°68.05°12.087 h0.403
21 July+20.44°71.06°12.075 h0.343
21 August+11.75°79.75°12.042 h0.181
21 September-0.20°88.30°11.999 h0.030
21 October-11.75°76.74°11.958 h0.236
21 November-20.44°68.06°11.925 h0.403
21 December-23.45°65.05°11.913 h0.465

Kampung Larkin Lama solar-geometry fingerprint at 1.5024, 103.7440

  • Kampung Larkin Lama, 21 January: declination -20.14°, noon altitude 68.36°, zenith 21.64°, geometric daylight 11.927 hours, and vertical-object noon shadow ratio 0.397.
  • Kampung Larkin Lama, 21 February: declination -11.23°, noon altitude 77.27°, zenith 12.73°, geometric daylight 11.960 hours, and vertical-object noon shadow ratio 0.226.
  • Kampung Larkin Lama, 21 March: declination -0.40°, noon altitude 88.09°, zenith 1.91°, geometric daylight 11.999 hours, and vertical-object noon shadow ratio 0.033.
  • Kampung Larkin Lama, 21 April: declination +11.58°, noon altitude 79.92°, zenith 10.08°, geometric daylight 12.041 hours, and vertical-object noon shadow ratio 0.178.
  • Kampung Larkin Lama, 21 May: declination +20.14°, noon altitude 71.36°, zenith 18.64°, geometric daylight 12.073 hours, and vertical-object noon shadow ratio 0.337.
  • Kampung Larkin Lama, 21 June: declination +23.45°, noon altitude 68.05°, zenith 21.95°, geometric daylight 12.087 hours, and vertical-object noon shadow ratio 0.403.
  • Kampung Larkin Lama, 21 July: declination +20.44°, noon altitude 71.06°, zenith 18.94°, geometric daylight 12.075 hours, and vertical-object noon shadow ratio 0.343.
  • Kampung Larkin Lama, 21 August: declination +11.75°, noon altitude 79.75°, zenith 10.25°, geometric daylight 12.042 hours, and vertical-object noon shadow ratio 0.181.
  • Kampung Larkin Lama, 21 September: declination -0.20°, noon altitude 88.30°, zenith 1.70°, geometric daylight 11.999 hours, and vertical-object noon shadow ratio 0.030.
  • Kampung Larkin Lama, 21 October: declination -11.75°, noon altitude 76.74°, zenith 13.26°, geometric daylight 11.958 hours, and vertical-object noon shadow ratio 0.236.
  • Kampung Larkin Lama, 21 November: declination -20.44°, noon altitude 68.06°, zenith 21.94°, geometric daylight 11.925 hours, and vertical-object noon shadow ratio 0.403.
  • Kampung Larkin Lama, 21 December: declination -23.45°, noon altitude 65.05°, zenith 24.95°, geometric daylight 11.913 hours, and vertical-object noon shadow ratio 0.465.

Harth computed the Kampung Larkin Lama fingerprint for latitude 1.5024° with the Cooper declination approximation, 90° - |latitude - declination| at solar noon, centre-to-centre sunrise hour angle and 1 / tan(altitude) shadow ratio. Longitude 103.7440° 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 MY dump (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 1732724). Regulatory starting point: the applicable state and local authority. 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 Kampung Larkin Lama establish?

The sun path record for Kampung Larkin Lama establishes a reproducible discovery point at 1.5024, 103.7440 (GeoNames ID 1732724, administrative area 01) and a Malaysia 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 Kampung Larkin Lama?

For the sun path record in Kampung Larkin Lama, replace the 1.5024, 103.7440 city reference with the surveyed site or parcel, identify the competent local authority, and verify the current documents under Uniform Building By-Laws and state or local-authority adoption. Record the edition, retrieval date, units, assumptions and named checker before relying on the result.

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