EPSG:4738 Hong Kong 1963
Geographic system in latitude and longitude, in use: China - Hong Kong. Datum, ellipsoid and transformation to WGS 84 below.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:4738 |
|---|---|
| Name | Hong Kong 1963 |
| Type | Geographic system |
| Area of use |
China - Hong Kong China - Hong Kong - onshore and offshore. |
| Bounds | W 113,76° · S 22,13° · E 114,51° · N 22,58° |
| Countries | China |
| Datum | Hong Kong 1963 |
| Ellipsoid | Clarke 1858 a = 6378293.645208759 m · 1/f = 294.260676369 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Topographic mapping. |
proj4 definition
+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4738.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Hong_Kong_1963",DATUM["D_Hong_Kong_1963",SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — China
- EPSG:4739Hong Kong 1963(67)
- EPSG:4766New Beijing / 3-degree Gauss-Kruger zone 30
- EPSG:4767New Beijing / 3-degree Gauss-Kruger zone 31
- EPSG:4768New Beijing / 3-degree Gauss-Kruger zone 32
- EPSG:4769New Beijing / 3-degree Gauss-Kruger zone 33
- EPSG:4770New Beijing / 3-degree Gauss-Kruger zone 34
- EPSG:4771New Beijing / 3-degree Gauss-Kruger zone 35
- EPSG:4772New Beijing / 3-degree Gauss-Kruger zone 36
- EPSG:4773New Beijing / 3-degree Gauss-Kruger zone 37
- EPSG:4774New Beijing / 3-degree Gauss-Kruger zone 38
- EPSG:4775New Beijing / 3-degree Gauss-Kruger zone 39
- EPSG:4776New Beijing / 3-degree Gauss-Kruger zone 40
- EPSG:4777New Beijing / 3-degree Gauss-Kruger zone 41
- EPSG:4778New Beijing / 3-degree Gauss-Kruger zone 42
- EPSG:4779New Beijing / 3-degree Gauss-Kruger zone 43
- EPSG:4780New Beijing / 3-degree Gauss-Kruger zone 44
- EPSG:4781New Beijing / 3-degree Gauss-Kruger zone 45
- EPSG:4782New Beijing / 3-degree Gauss-Kruger CM 75E
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.