EPSG systems

EPSG:4236 Hu Tzu Shan 1950

Geographic system in latitude and longitude, in use: Taiwan - onshore - mainland and Penghu. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4236
NameHu Tzu Shan 1950
TypeGeographic system
Area of use Taiwan - onshore - mainland and Penghu
Taiwan, Republic of China - onshore - Taiwan Island, Penghu (Pescadores) Islands.
Bounds W 119,25° · S 21,87° · E 122,06° · N 25,34°
Countries Taiwan
DatumHu Tzu Shan 1950
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Hu Tzu Shan 1950 to WGS 84 (1) (EPSG:1152) — accuracy 26 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=intl +towgs84=-637,-549,-203 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4236.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Hu_Tzu_Shan",DATUM["D_Hu_Tzu_Shan",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Taiwan

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.