なぜ一年は 365.242199 日あるのでしょうか?
@365.24days
Longest Day/Night in Zurich, Switzerland (21 June, 21 December)
Why February Only Has 28 Days
パズルタイム（解答編）
Longest Day/Night in Arctic, Rhode Island, USA (21 June, 21 December)
History of Universe in 365 days (Scale-down)
The Secret History Of New Year Celebration
Why year has 365 days..
Earth Revolution
Why are there 365.24 days in a "Year"? (In Layman's Terms, Short Version)
Why LEAP YEAR Occurs?
How can there be 365 days in a year if there’s only 8 days
なぜ1年は365日で、1日は24時間なのでしょうか？
A year isn't actually 365 days 🌏
Part 2 (rough): Why are there 365.24 days in a "Year"? (In Layman's Terms, Long Version)
360° IN 365 DAYS | THE TRAVEL TWO
Why don't summer's hottest days align with the longest days of the year?
365 days tricks and training with Rebel - week 1-4
Year on earth is not 365 days
