Glossary term: 國際日期變更線
Description: 國際日期變更線是一條特定的子午線，大致沿著經度 180° 的子午線。國際日期變更線自北向南穿過俄羅斯與阿拉斯加之間，穿過包括密克羅尼西亞和波利尼西亞部分地區的太平洋，以及澳大利亞/新西蘭東部，最後到達南極洲的南極點。國際日期變更線標誌著日曆日期變化一天的邊界。因此，國際日期變更線以西的地區比以東的地區早一天。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
This is an automated transliteration of the simplified Chinese translation of this term
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