International Date Line
Học thuậtThân thiện
Definition
- Proper noun:
- An imaginary line on the Earth's surface: The International Date Line is an imaginary line that roughly follows the 180° meridian of longitude in the Pacific Ocean. It is the line where the calendar date changes.
Usage
- The International Date Line is used to designate the place where each new calendar day begins.
- Crossing the International Date Line causes the date to change by one day.
Examples
- Proper noun:
- When you cross the International Date Line traveling east, you subtract a day.
- The island nation of Fiji lies just west of the International Date Line.
- The concept of the International Date Line is essential for global timekeeping and travel.
Advanced Usage
- "across the International Date Line": Referring to locations or travel on opposite sides of this line.
- Communicating with someone across the International Date Line requires careful attention to the day and time.
- "International Date Line shift": A historical or proposed adjustment to the line's path, often for political or economic reasons.
- Kiribati's eastern islands enacted an International Date Line shift in 1995 so the entire nation could share the same weekday.
Variants and Related Words
- Date Line (noun): A common shortened form for "International Date Line."
- The ship will cross the Date Line at midnight.
- 180th meridian (noun): The line of longitude at 180°, which the International Date Line approximately follows.
- The 180th meridian is directly opposite the Prime Meridian.
Synonyms
- Calendar line: A less common term describing the same concept.
Related Phrases
- Cross the date line: The act of traveling over the International Date Line.
- After we cross the date line, it will suddenly be tomorrow.
Noun
- an imaginary line on the surface of the earth following (approximately) the 180th meridian