Solar & Daylight Data
Sun Path: Kampong Baharu Cheras Batu Sebelas, Malaysia
How to research sun path for a specific site in Kampong Baharu Cheras Batu Sebelas — 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 1771298). 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 Kampong Baharu Cheras Batu Sebelas at 3.0500, 101.7667, the declination-only solar-noon altitude is approximately 69.6° at the June solstice, 87.0° at an equinox and 63.5° 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 1771298 in administrative area 12, at 3.0500, 101.7667; replace it with the surveyed parcel point before relying on the result. As a transparent geometry check, declination-only solar-noon altitude is about 69.6° at the June solstice, 87.0° at an equinox and 63.5° at the December solstice. Representative 21st-day geometry ranges from about 11.8 hours in December to 12.2 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 Kampong Baharu Cheras Batu Sebelas?
Kampong Baharu Cheras Batu Sebelas is represented here at approximately 3.0500, 101.7667 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?
- Fix the surveyed site and local time basis.
- Select an authoritative weather source or a named solar-position algorithm.
- Record period, percentile or scenario and units.
- Test sensitivity to elevation, exposure, urban form and horizon.
- Save the source file, retrieval date and checker in the model record.
| Input | Project-specific evidence | QA question |
|---|---|---|
| Site | surveyed coordinates, elevation and horizon | Does the point represent the building? |
| Weather/solar method | named dataset, algorithm, period and time basis | Are station, time zone and units explicit? |
| Design scenario | current and future scenario agreed by the team | Is an average being mistaken for an extreme? |
| Compliance | adopted local document and edition | Was 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 Kampong Baharu Cheras Batu Sebelas site remain authoritative.
Which related searches does this primary location record cover?
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.
Kampong Baharu Cheras Batu Sebelas monthly solar geometry check for sun path
| Representative date | Declination | Solar-noon altitude | Geometric daylight | Noon shadow / height |
|---|---|---|---|---|
| 21 January | -20.14° | 66.81° | 11.851 h | 0.428 |
| 21 February | -11.23° | 75.72° | 11.919 h | 0.254 |
| 21 March | -0.40° | 86.55° | 11.997 h | 0.060 |
| 21 April | +11.58° | 81.47° | 12.083 h | 0.150 |
| 21 May | +20.14° | 72.91° | 12.149 h | 0.307 |
| 21 June | +23.45° | 69.60° | 12.177 h | 0.372 |
| 21 July | +20.44° | 72.61° | 12.152 h | 0.313 |
| 21 August | +11.75° | 81.30° | 12.085 h | 0.153 |
| 21 September | -0.20° | 86.75° | 11.999 h | 0.057 |
| 21 October | -11.75° | 75.20° | 11.915 h | 0.264 |
| 21 November | -20.44° | 66.51° | 11.848 h | 0.435 |
| 21 December | -23.45° | 63.50° | 11.823 h | 0.499 |
Kampong Baharu Cheras Batu Sebelas solar-geometry fingerprint at 3.0500, 101.7667
- Kampong Baharu Cheras Batu Sebelas, 21 January: declination -20.14°, noon altitude 66.81°, zenith 23.19°, geometric daylight 11.851 hours, and vertical-object noon shadow ratio 0.428.
- Kampong Baharu Cheras Batu Sebelas, 21 February: declination -11.23°, noon altitude 75.72°, zenith 14.28°, geometric daylight 11.919 hours, and vertical-object noon shadow ratio 0.254.
- Kampong Baharu Cheras Batu Sebelas, 21 March: declination -0.40°, noon altitude 86.55°, zenith 3.45°, geometric daylight 11.997 hours, and vertical-object noon shadow ratio 0.060.
- Kampong Baharu Cheras Batu Sebelas, 21 April: declination +11.58°, noon altitude 81.47°, zenith 8.53°, geometric daylight 12.083 hours, and vertical-object noon shadow ratio 0.150.
- Kampong Baharu Cheras Batu Sebelas, 21 May: declination +20.14°, noon altitude 72.91°, zenith 17.09°, geometric daylight 12.149 hours, and vertical-object noon shadow ratio 0.307.
- Kampong Baharu Cheras Batu Sebelas, 21 June: declination +23.45°, noon altitude 69.60°, zenith 20.40°, geometric daylight 12.177 hours, and vertical-object noon shadow ratio 0.372.
- Kampong Baharu Cheras Batu Sebelas, 21 July: declination +20.44°, noon altitude 72.61°, zenith 17.39°, geometric daylight 12.152 hours, and vertical-object noon shadow ratio 0.313.
- Kampong Baharu Cheras Batu Sebelas, 21 August: declination +11.75°, noon altitude 81.30°, zenith 8.70°, geometric daylight 12.085 hours, and vertical-object noon shadow ratio 0.153.
- Kampong Baharu Cheras Batu Sebelas, 21 September: declination -0.20°, noon altitude 86.75°, zenith 3.25°, geometric daylight 11.999 hours, and vertical-object noon shadow ratio 0.057.
- Kampong Baharu Cheras Batu Sebelas, 21 October: declination -11.75°, noon altitude 75.20°, zenith 14.80°, geometric daylight 11.915 hours, and vertical-object noon shadow ratio 0.264.
- Kampong Baharu Cheras Batu Sebelas, 21 November: declination -20.44°, noon altitude 66.51°, zenith 23.49°, geometric daylight 11.848 hours, and vertical-object noon shadow ratio 0.435.
- Kampong Baharu Cheras Batu Sebelas, 21 December: declination -23.45°, noon altitude 63.50°, zenith 26.50°, geometric daylight 11.823 hours, and vertical-object noon shadow ratio 0.499.
Harth computed the Kampong Baharu Cheras Batu Sebelas fingerprint for latitude 3.0500° with the Cooper declination approximation, 90° - |latitude - declination| at solar noon, centre-to-centre sunrise hour angle and 1 / tan(altitude) shadow ratio. Longitude 101.7667° 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.
Where can you explore related guidance?
- Explore all solar data guidance
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- All solar & daylight data guidance for Malaysia
Sources and method
Location data from the GeoNames MY dump (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 1771298). 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.
Source links
Frequently asked questions
What does the sun path record for Kampong Baharu Cheras Batu Sebelas establish?
The sun path record for Kampong Baharu Cheras Batu Sebelas establishes a reproducible discovery point at 3.0500, 101.7667 (GeoNames ID 1771298, administrative area 12) 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 Kampong Baharu Cheras Batu Sebelas?
For the sun path record in Kampong Baharu Cheras Batu Sebelas, replace the 3.0500, 101.7667 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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