Why does the earliest sunset occur almost 2 weeks before the December solstice?
• Why doesn’t the longest night of the year have the earliest sunset or the latest sunrise? • Why isn’t the length of day symmetric about the noon hour? • How can I find the Sidereal Time for my location? • Why do we have to add an extra day in February every 4 years? • How is Daylight Savings Time established, internationally? • What are the dates in March for equal day/night durations from pole to pole? • Do the perihelion and aphelion times for the Earth correspond to the solstice dates? • If the day is 23 hours and 56 minutes long and we use 24-hour clocks, where do the extra 4 minutes go? • Why does the first day of summer arrive on December 1 and not December 21 in the southern hemisphere? • Are there any alternative theories about what causes the seasons on the Earth? • Why is the tilt of the Earth’s axis 23 1/2 degrees? • Was the tilt of the Earth’s axis ever larger than 23 1/2 degrees in the past? • Has El Nino really slowed down the rotation of the Earth? • Does the rotation
