Comparison with other apps and websites

This experiment is conducted in Felda Sungai Kemahal (lat: 3.184531, lang: 102.278294), so, with our current knowledge, the prayer time zones should resolve to PHG04

Android apps

Website

API

Conclusion

None of the services above resolved to the correct prayer time zones except for official JAKIM website. Hmm.

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The reference point for counting prayer times for all states in Malaysia

AzanPro

In the app, I'm using snapshot database from AzanPro API. The API seems to be down at the moment, however, the database is as follow:

https://github.com/mptwaktusolat/app_waktu_solat_malaysia/blob/a78f5086bdb74b97c496e530f1c71f1b342bd954/lib/location_utils/location_coordinate.dart

Map visualization:

JAKIM

"Titik rujukan hituangan waktu solat bagi seluruh negeri di Malaysia" from JAKIM Official.

https://www.e-solat.gov.my/index.php?siteId=24&pageId=43

PDF Receipt: Lampiran B.pdf

The file seems not up to date to recent changes in prayer zones ie the change of KTN03 -> KTN02, and the addition of NGS03. #160 #164

Map visualization tool

https://github.com/mptwaktusolat/jakim_zones_map

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A thesis: Multiple Reference Point in Determining Zone-based Prayer Time in Selangor

#readthislater

http://www.pertanika.upm.edu.my/resources/files/Pertanika%20PAPERS/JSSH%20Vol.%2025%20(S)%20Feb.%202017/03%20JSSH(S)-0342-2016-4thProof.pdf

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MPT Server's new API

A recent addition to the MPT-Server is the ability to determine user prayer time zone by their GPS coordinate. The method to achieve those is similar to what MPT app has implemented ie by checking the closest reference point in that negeri.

Example: https://mpt-server.vercel.app/api/zones/gps?lat=4.12&lang=102.5
Refer: https://waktusolat.iqfareez.com/api#tag/zones/operation/getZonesbyGps

MPT-Server doesn't rely on Google's geocoding service, but instead, utlizes GeoJson information from:

• https://data.humdata.org/dataset/geoboundaries-admin-boundaries-for-malaysia/resource/55b3dd6f-5786-4dce-b32f-5eca9bc8c16d [Source]

Other possible sources to look for:

• https://github.com/nullifye/malaysia.geojson (✅ best (I think), choose the District variant) [Screenshot]
• https://github.com/TindakMalaysia (They have the smallest division; up into the DUN level)
• https://gadm.org/download_country.html (Simplified GeoJSON: https://gist.github.com/angch/4bbbaa72ba0a9c95bfda951ca82b748f)

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I'm currently working on added JAKIM Zone to a GeoJson in https://github.com/mptwaktusolat/malaysia.geojson

The added data can be visualized in Prayer Zone Visualization app.

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Adding the JAKIM zones to all states in https://github.com/mptwaktusolat/malaysia.geojson is almost finished.

In the meantime, I have tried the geojson to retrieve result based on latitude and longitude. Preview deployment: https://mpt-server-ab9mhxi0m-iqfareez.vercel.app/

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Issue fixed. App now will enquire the server for prayer time zone

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