24 hours and one spin of the Earth. Throughout the year daylight swings from 16h38m at its longest to 7h49m at its shortest. This calendar is a visual depiction of the cosmic roller coaster of light. Best suited to earth dwellers living near London, on Greenwich Mean Time.
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Jan
Feb
Mar
London Longyearbyen Singapore Sydney Newyork
The earth is furthert from the sun on thi day
Apr
May