Why Days Get Shorter Longer

How long is a day Neil deGrasse Tyson and Chuck Nice break down what an analemma is, the solstices, and why Christmas is in December. Does the sundial that were all definitely still using get noon wrong Learn what an analemma is and what it is doing on globes and sundials. Discover the summer and winter solstices and how the ancients tracked time. Come check out our brandnew channel Get the NEW StarTalk book, To Infinity and Beyond: A Journey of Cosmic Discovery on Amazon: Support us on Patreon: FOLLOW or SUBSCRIBE to StarTalk: Twitter: Facebook: Instagram: About StarTalk: Science meets pop culture on StarTalk Astrophysicist Hayden Planetarium director Neil deGrasse Tyson, his comic cohosts, guest celebrities scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up , StarTalk, neildegrassetyson Timestamps: 00:00 What is an Analemma 00:48 How Long is Day 4:31 When is High Noon 6:33 Understanding the Solstice 8:32 The Origins of Christmas