From dawn to dusk

John D. Mahony
  • The Mathematical Gazette, June 2018, Cambridge University Press
  • DOI: 10.1017/mag.2018.55

Calculating hours of daylight

What is it about?

This article develops simple formulae to determine approximately the duration of daylight hours that may be encountered at any given latitude at any day of the year.

Why is it important?

It is important because it allows the inquisitive mind to appreciate just how well results from simple formulae compare with a reality.


John D. Mahony

The article allows those with an interest in the application of mathematics to see just how well simple sums can applied to good effect in the modelling of real life events.

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