Pulkovo meridian explained
The Pulkovo meridian, which passes through the center of the main building of the Pulkovo Observatory and is at 30°19,6‘ east of Greenwich, was the point of departure for all former geographical maps of Russia.[1]
This meridian was used as the reference in the Russian Empire before the Prime meridian (Greenwich).
See also
- Prime meridian#List of historic prime meridians on Earth
References
59.7717°N 30.3261°W
Notes and References
- Book: Zakatov. Petr Sergeevich. A Course in Higher Geodesy: Spheroidal Geodesy and Fundamentals of Gravimetry and Practical Astronomy. 1962. Israel Program for Scientific Translations. 343. 2nd. 5 March 2016.