EPSG:CODE

EPSG:3821 — TWD67

Geographic 2D · Taiwan - onshore - mainland and Penghu

Export Formats

OGC WKT
GEOGCS[
    "TWD67",
    DATUM[
        "Taiwan_Datum_1967",
        SPHEROID["GRS 1967 Modified",6378160,298.25,AUTHORITY["EPSG","7050"]],
        AUTHORITY["EPSG","1025"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","3821"]
]

Other CRS using Taiwan Datum 1967

Frequently Asked Questions

How do I add EPSG:3821 to GeoServer?

Add the following definition to your GeoServer configuration: 

3821=GEOGCS["TWD67",DATUM["Taiwan_Datum_1967",SPHEROID["GRS 1967 Modified",6378160,298.25,AUTHORITY["EPSG","7050"]],AUTHORITY["EPSG","1025"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","3821"]]
Read the full GeoServer guide →

How do I add EPSG:3821 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3821, 'EPSG', 3821, '+proj=longlat +ellps=aust_SA +no_defs +type=crs', 'GEOGCS["TWD67",DATUM["Taiwan_Datum_1967",SPHEROID["GRS 1967 Modified",6378160,298.25,AUTHORITY["EPSG","7050"]],AUTHORITY["EPSG","1025"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","3821"]]');
Read the full PostGIS guide →

How do I add EPSG:3821 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=aust_SA"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:3821 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:3821", "+proj=longlat +ellps=aust_SA +no_defs +type=crs");
Read the full Proj4js guide →