Question

how are meridians numbered​

Answer 1

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Meridians of longitude are imaginary half-circles running from the North Pole to the South Pole. ... By international agreement, the 0˚ meridian (also called the prime meridian) is drawn through Greenwich, England. Meridians are numbered east and west from the prime meridian

Answer 2

Meridians of longitude are imaginary half-circles running from the North Pole to the South Pole. ... By international agreement, the 0˚ meridian (also called the prime meridian) is drawn through Greenwich, England. Meridians are numbered east and west from the prime meridian