In astronomical terms, the start of summer can be defined very precisely: it begins on the summer solstice, which occurs on June 20 or 21 in the Northern Hemisphere and on December 21 or 22 in the Southern Hemisphere.
今年是20號,有的年份是21號。
本文內容已被 [ ROA001 ] 在 2024-06-21 05:41:46 編輯過。如有問題,請報告版主或論壇管理刪除.
所有跟帖:
• 全球範圍來說,應該落在20-22號。 -StopBy- ♂ (0 bytes) () 06/21/2024 postreply 06:30:58