Meridian Utama
Meridian Utama ya iku meridian (garis bujur) kang bujuré ana ing 0°.
Meridian Utama saka Kutub Lor ngliwati kutha Greenwich, London ing Inggris, Perancis, Spanyol, Aljazair, Mali, Burkina Faso, Togo, lan Ghana, banjur ngliwati Kutub Kidul.
Pranala njaba
besut- International Conference Held at Washington for the Purpose of Fixing a Prime Meridian, ing Proyèk Gutenberg
- scanned TIFFs of the conference proceedings
- Prime meridians in use in the 1880s, by country
- Canadian Prime Meridian
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