Teach Astronomy - Early Roman Calendar
http://www.teachastronomy.com/ When you think of the calendar that we use every day some questions arise. Why do you have to count on your knuckles or remember a rhyme to figure out how many days there are in a month? Why does the year start in January as opposed to any other time? Why i
From playlist 02. Ancient Astronomy and Celestial Phenomena
History of the Holidays: History of Thanksgiving | History
Although Thanksgiving celebrations dated back to the first European settlements in America, it was not until the 1860s that Abraham Lincoln declared the last Thursday of November to be a national holiday. HISTORY®, now reaching more than 98 million homes, is the leading destination for aw
From playlist History of the Holidays | History
Why Do We Celebrate New Year’s Day on January 1? | Don't Be Dumb
Why is January 1st considered the first day of the new year in the west? Funny you should ask. Let Josh explain. Subscribe http://bit.ly/1kc7NpQ Twitter http://twitter.com/SYSKPodcast Facebook http://facebook.com/StuffYouShouldKnow Google+ http://google.com/+joshandchuck Website http://st
From playlist Everyday Stuff
The Italian Calendar: Seasons, Months of the Year, and Days of the Week
We humans have built a lot of time-based social constructs for ourselves. Some are based on things we can observe, like the seasons, and one year being the cycle that repeates them. But things like months and days are completely arbitrary. Nevertheless, we have to learn them in order to co
From playlist Italian
From playlist CS50x Coding Contest 2016 Postmortems
Astronomy - Ch. 2: Understanding the Night Sky (19 of 23) Tropical Year vs Sidereal Year
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the difference between a tropical year vs a sidereal year.
From playlist ASTRONOMY 2 THE NIGHT SKY
Bet You Didn't Know: Christmas | History
Did you know Christmas wasn't always celebrated on December 25th? Get the whole story behind the holiday. #HistoryChannel Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: Newsletter: https://www.history.com/newsletter Website - http://www
From playlist Holidays: Christmas | History
Understanding Time, Date and Calendars: Live with the R&D Team
Begins at 0:57 In this stream, Nick Lariviere will be giving an overview of the different concepts of time, dates and calendars. He will also be discussing how different notions of time impact everything from how long a month is, how we determine what time it actually is, all the way up th
From playlist Live with the R&D Team
Teach Astronomy - Solar and Lunar Calendars
http://www.teachastronomy.com/ The fundamental issue of calendars comes down to two astronomical numbers. One is the solar year, the time it takes the Earth to go a complete orbit of the Sun, or the time it takes the Sun to reappear at the meridian, at the highest point in the sky from on
From playlist 02. Ancient Astronomy and Celestial Phenomena
The Calendar Act of 1750 and eleven lost days
The History Guy remembers the Calendar Act of 1750 and eleven lost days. It is a curious calendar-related piece of forgotten history that deserves to be remembered. The History Guy uses images that are in the Public Domain. As photographs of actual events are often not available, I will
From playlist Europe
Date and Calendar Functionality
For the latest information, please visit: http://www.wolfram.com Speaker: Nick Lariviere Wolfram developers and colleagues discussed the latest in innovative technologies for cloud computing, interactive deployment, mobile devices, and more.
From playlist Wolfram Technology Conference 2015
History of Mother's Day | History
Find out about the ancient roots and modern history of Mother's Day, which is celebrated on the second Sunday in May in the United States. Subscribe for more History: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY videos and full episodes: http://www.history.com/videos G
From playlist History of the Holidays | History
Live CEOing Ep 368: Language Design in Wolfram Language [EchoEvaluation, ArrayReshape & More]
In this episode of Live CEOing, Stephen Wolfram reviews the design of EchoEvaluation, ArrayReshape and CalendarData for the Wolfram Language. If you'd like to contribute to the discussion in future episodes, you can participate through this YouTube channel or through the official Twitch ch
From playlist Behind the Scenes in Real-Life Software Design
The Modern Calendar: Where did it come from? | Stuff of Genius
Nowadays it's easy to take the calendar for granted -- nations across the world have agreed that (for business purposes) each year is twelve months long. But how did we get this calendar in the first place? Stuff of Genius tells the story behind everyday inventions. From the bikini to sup
From playlist Stuff of Genius: Where did it come from?
Why Don't We Have Metric Time? | Answers With Joe
Go to https://buyraycon.com/joescott for 15% off your order. Brought to you by Raycon. The metric system revolutionized the world and simplified how we measure things. But one part of our lives never quite got the metric treatment - time. The reason why highlights the importance of time on
From playlist Everything in chronological order
Gauss's Easter Algorithm Day 13
Broadcasted live on Twitch -- Watch live at https://www.twitch.tv/simuleios
From playlist Easter
Vartan Gregorian's 2006 Graduate Commencement Address
Vartan Gregorian, president of the Carnegie Corporation and former president of the New York Public Library and Brown University, delivers the keynote address for advanced-degree candidates at Stanford University's 115th Commencement at Elliott Field. "We have to learn to be good ancestor
From playlist Stanford University Commencement
So it's February 29th and we have 366 days this year instead of 365- what's the deal with Leap Years? ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow
From playlist SciShow Dose
Teach Astronomy - Solar Calendar
http://www.teachastronomy.com/ Many cultures have used a solar calendar, and, in fact, Sun worship was a basic part of ancient civilizations. Solar calendar divides the year into seasons using 4 fixed points. The longest day in the year, the summer solstice, June 21, the shortest day in
From playlist 02. Ancient Astronomy and Celestial Phenomena
Yossi Elran - The Hebrew Calendar Doomsday - G4G14 Apr 2022
My last meeting with John Conway at the Momath conference in New York was also the longest. During a long conversation, Conway told me that when he derived the Doomsday rule for mental calculation of a day of the week given its Gregorian calendar date, he also derived similar calculations
From playlist G4G14 Videos