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Current longitude of Earth Noon & Midnight.

Realtime location of the line of midday

Observe the globes below, the central meridian indicates the current longitude of local noon on the left and midnight on the right.

The infographic shown above will update automatically every four minutes

GMT, Noon and Midnight

When GMT time is 00:00 hrs or 12:00 AM, and 12:00 hrs or 12:00 PM the line above will cross Greenwich, London. What time, in GMT, is it midday in a particular city? Try our time converter.

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