The length of a solar day varies throughout the year, ranging from about 23 hours 59 minutes 38 seconds in mid-September to 24 hours 30 seconds around Christmas. This variation is caused by the Earth's elliptical orbit and axial tilt, affecting the Sun's apparent motion and leading to differences in natural time measured by sundials versus clock time.
Revised Auust 2026 There is also a video about the Steady State theory on the Explaining Science YouTube channel. https://youtu.be/aUmQjmw4jhE The Steady State theory is an elegant alternative to the Big Bang theory of the origin of the Universe . It was very popular among astronomers in the 1950s, but is now obsolete. What is the… Continue reading The Steady State Theory
