Length of Daylight (at 45º N), in a 40-day year.

The sun is off-screen, far to the left.
The time shown is in hours.
One "year" = 40 days = 960 hours.
City (red circle) has a latitude of 45º N.

Show more detail in the
hours on the graph.

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Credits:
Web Page by Keith Clay
Animation by Keith Clay