EPSG:CODE

EPSG:4738 — Hong Kong 1963

Geographic 2D · Hong Kong

Export Formats

OGC WKT
GEOGCS[
    "Hong Kong 1963",
    DATUM[
        "Hong_Kong_1963",
        SPHEROID[
            "Clarke 1858",
            6378293.64520876,
            294.260676369261,
            AUTHORITY["EPSG","7007"]
        ],
        AUTHORITY["EPSG","6738"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4738"]
]

Other CRS for HK

Other CRS using Hong Kong 1963

Frequently Asked Questions

How do I add EPSG:4738 to GeoServer?

Add the following definition to your GeoServer configuration: 

4738=GEOGCS["Hong Kong 1963",DATUM["Hong_Kong_1963",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6738"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4738"]]
Read the full GeoServer guide →

How do I add EPSG:4738 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4738, 'EPSG', 4738, '+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs', 'GEOGCS["Hong Kong 1963",DATUM["Hong_Kong_1963",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6738"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4738"]]');
Read the full PostGIS guide →

How do I add EPSG:4738 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+a=6378293.64520876"
  "+b=6356617.98767984"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:4738 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4738", "+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs");
Read the full Proj4js guide →