EPSG:27039 — Nahrwan 1967 / UTM zone 39N
Nahrwan 1967 / UTM zone 39N (EPSG:27039) — a Projected (metres) system on the a=6378249.145 datum, used in United Arab Emirates. Parameters, proj4, WKT, accuracy ±0.8 m,…
At a glance
- EPSG
- 27039
- Name
- Nahrwan 1967 / UTM zone 39N
- Kind
- Projected (metres)
- Family
- Universal Transverse Mercator (UTM)
- Ellipsoid
- a=6378249.145
- Accuracy
- ±0.8 m (vs PROJ)
- Countries
- United Arab Emirates
Area of use
| West | 50.55° |
| South | 22.76° |
| East | 54.01° |
| North | 27.05° |
Projection parameters
| Projection | utm |
| UTM zone | 39 |
| Semi-major axis | 6378249.145 |
| Inverse flattening | 293.465 |
| Units | m |
| Helmert shift to WGS84 | -249,-156,381,0,0,0,0 |
+proj=utm +zone=39 +a=6378249.145 +rf=293.465 +units=m +no_defs +towgs84=-249,-156,381,0,0,0,0
PROJCS["Nahrwan 1967 / UTM zone 39N",GEOGCS["GCS_Nahrwan 1967 / UTM zone 39N",DATUM["D_Custom_6378249.145",SPHEROID["Custom_6378249.145",6378249.145,293.465],TOWGS84[-249,-156,381,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",51],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","27039"]]
Sample conversion
Centre of the area of use: WGS84 52.28000, 24.90500 → EPSG:27039 629174.423, 2754613.816
Values are within ±0.8 m at the test point.
About the Universal Transverse Mercator (UTM) family
Nahrwan 1967 / UTM zone 39N is a Universal Transverse Mercator zone — a 6°-wide belt of the worldwide UTM system, in metres, centred on a meridian carefully chosen so distortion stays low across the zone. It is the everyday working grid for GPS-derived surveying in United Arab Emirates.
The classic field mistake with UTM is using the wrong zone: a point one zone away is easily hundreds of kilometres off. Always confirm the zone number (and the hemisphere) before importing coordinates, and remember that UTM eastings are offset by a 500 km false easting so they never go negative.
Related systems
- EPSG:4270 — Nahrwan 1967
- EPSG:4303 — TC(1948)
- EPSG:27040 — Nahrwan 1967 / UTM zone 40N
- EPSG:30339 — TC(1948) / UTM zone 39N
- EPSG:30340 — TC(1948) / UTM zone 40N
- EPSG:32639 — WGS 84 / UTM zone 39N
- EPSG:32640 — WGS 84 / UTM zone 40N
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