TOKYO_SUNRISE-06:25
SUNSET-16:30
MOON-16.5 DAYS
_ Black Friday shopping hurts the environment—but you can help
https://www.nationalgeographic.com/environment/2018/11/how-black-friday-cyber-monday-impacts-environment/
オペラ記念日, 鰹節の日, 感謝祭(Thanksgiving Day) (アメリカ合衆国) ,
東京天文台設置記念日, 進化の日(Evolution Day),