EPSG:31121 — Zanderij / UTM zone 21N

Projected · Suriname

Export Formats

OGC WKT

PROJCS[
    "Zanderij / UTM zone 21N",
    GEOGCS[
        "Zanderij",
        DATUM[
            "Zanderij",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[-265,120,-358,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4311"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-57],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","31121"]
]

WKT2

PROJCRS[
    "Zanderij / UTM zone 21N",
    BASEGEOGCRS[
        "Zanderij",
        DATUM[
            "Zanderij",
            ELLIPSOID[
                "International 1924",
                6378388,
                297,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7022]
            ],
            ID["EPSG",6311]
        ],
        ID["EPSG",4311]
    ],
    CONVERSION[
        "UTM zone 21N",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -57,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16021]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",31121]
]

PROJ.4

+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:31121", "+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 31121,
  "name": "Zanderij / UTM zone 21N",
  "kind": "projected",
  "area": "Suriname",
  "unit": "metre",
  "bbox": [
    1.83,
    -58.08,
    9.35,
    -52.66
  ],
  "proj4": "+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (31121, 'EPSG', 31121, '+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Zanderij / UTM zone 21N",GEOGCS["Zanderij",DATUM["Zanderij",SPHEROID["International 1924",6378388,297],TOWGS84[-265,120,-358,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4311"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31121"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=utm"
  "+zone=21"
  "+ellps=intl"
  "+towgs84=-265,120,-358,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

31121=PROJCS["Zanderij / UTM zone 21N",GEOGCS["Zanderij",DATUM["Zanderij",SPHEROID["International 1924",6378388,297],TOWGS84[-265,120,-358,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4311"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31121"]]

Related Coordinate Systems

Available Transformations (1)

Transformations inherited from base CRS: EPSG:4311 (Zanderij)

Transformation	Source → Target	Accuracy (m)
Zanderij to WGS 84 (1)	4311 → 4326	11

Other CRS for SR

Other CRS using Zanderij

Frequently Asked Questions

How do I add EPSG:31121 to GeoServer?

Add the following definition to your GeoServer configuration:

31121=PROJCS["Zanderij / UTM zone 21N",GEOGCS["Zanderij",DATUM["Zanderij",SPHEROID["International 1924",6378388,297],TOWGS84[-265,120,-358,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4311"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31121"]]

Read the full GeoServer guide →

How do I add EPSG:31121 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (31121, 'EPSG', 31121, '+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Zanderij / UTM zone 21N",GEOGCS["Zanderij",DATUM["Zanderij",SPHEROID["International 1924",6378388,297],TOWGS84[-265,120,-358,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4311"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31121"]]');

Read the full PostGIS guide →

How do I add EPSG:31121 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=utm"
  "+zone=21"
  "+ellps=intl"
  "+towgs84=-265,120,-358,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:31121 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:31121", "+proj=utm +zone=21 +ellps=intl +towgs84=-265,120,-358,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →