なぜ一年は 365.242199 日あるのでしょうか?
Why are there 365.242199 days in a year?
@365.24days
Earth Revolution
Longest Day/Night in Zurich, Switzerland (21 June, 21 December)
Longest Day/Night in New York, USA (21 June, 21 December)
leap year 2012
Longest Day/Night in Tokyo, Japan (21 June, 21 December)
How can there be 365 days in a year if there’s only 8 days
Why LEAP YEAR Occurs?
Years to seconds conversion: one year is more seconds than you might think! #shorts
Longest Day/Night in Bogota, Colombia (21 June, 21 December)
Who decided 365 days in a year?
Does a year have 365.25 days?
Is a year exactly 365.25 days?
Longest Day/Night in Arctic, Rhode Island, USA (21 June, 21 December)
Why It's 365 Days in a Year ?
Why Does a Year Have 365 Days and 6 Hours? Explained in Simple Terms.#neildegrassetyson
12 hour days, 730 days a year - Could you cope with that?
A year isn't actually 365 days 🌏
