Last Updated
：2026/01/05
こくさいひづけへんこうせん
Kanji
国際日付変更線
Proper noun
Japanese Meaning
協定世界時とは異なり、国際日付変更線は地球上で日付が変わる基準となる経線であり、主に太平洋上を通過している。 / 国際日付変更線は、おおよそ西経180度に位置するが、島国や領土の都合により実際の線はジグザグに曲がっている。 / この線を東から西へ越えると日付が一日進み、西から東へ越えると一日戻るという、日付の切り替え境界線である。
Easy Japanese Meaning
せかいのきょうかいとしてきめたせんで、ひづけをどこでかえるかをきめるせん
Chinese (Simplified) Meaning
国际日期变更线 / 用于划分日期的假想线 / 国际换日线
Chinese (Traditional) Meaning
用於劃分不同日曆日期的地理分界線，約沿180度經線 / 穿越太平洋的國際日期變更線
Korean Meaning
지구에서 날짜가 바뀌는 기준이 되는 경계선 / 주로 태평양을 따라 남북으로 이어지는 선 / 이를 기준으로 동서 양측에서 날짜가 하루 차이 나는 선
Vietnamese Meaning
Đường đổi ngày quốc tế / Ranh giới tưởng tượng trên Trái Đất nơi ngày lịch thay đổi
Tagalog Meaning
Pandaigdigang guhit ng pagbabago ng petsa / Linya sa Dagat Pasipiko kung saan nagpapalit ang petsa
Sense（1）
国際日付変更線: International Date Line
（ romanization ）
Quizzes for review
See correct answer
こくさいひづけへんこうせん
See correct answer
When you cross the International Date Line, the date changes by one day.
When you cross the International Date Line, the date changes by one day.
See correct answer
こくさいひづけへんこうせんを越えると、日付が一日変わります。
Japanese - English
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