Pulkovo meridian

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The zero-point of the Pulkovo meridian in the Round hall of the Pulkovo observatory

The Pulkovo meridian, which passes through the center of the main building of the Pulkovo Observatory and is at 30°19,6‘[citation needed] 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[edit]


  1. ^ Zakatov, Petr Sergeevich (1962). A Course in Higher Geodesy: Spheroidal Geodesy and Fundamentals of Gravimetry and Practical Astronomy (2nd ed.). Israel Program for Scientific Translations. p. 343. Retrieved 5 March 2016. 

Coordinates: 59°46′18″N 30°19′34″E / 59.7717°N 30.3261°E / 59.7717; 30.3261