The international date line is in the Pacific in order to best avoid it hitting land. The prime meridian goes through England because that's where the cartographer who set it lived. This is my understanding of it. Answer from MedicGoalie84 on reddit.com
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Reddit
reddit.com › r/askscience › why aren't the international date line and the prime meridian the same line or at least in the same area?
r/askscience on Reddit: Why aren't the International Date Line and the Prime Meridian the same line or at least in the same area?
October 8, 2012 - The prime meridian is the "center" (0 degrees longitude) while the international data line is exactly opposite, at 180 degrees (East or West), although the line actually zigzags around national borders a bit.
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NOAA National Ocean Service
oceanservice.noaa.gov › facts › international-date-line.html
What is the international date line?
The international date line, ... north-south line on the Earth. It is located halfway around the world from the prime meridian — the 0 degrees longitude line in Greenwich, England....
Discussions

Where do the international date line and equator cross?
Find step-by-step Geography solutions and the answer to the textbook question Where do the international date line and equator cross?. More on quizlet.com
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difference b/w international dateline and prime meridian
They're two different [imaginary] lines on the earth's surface, directly opposite each other. The Prime Meridian connects the north and south poles and runs through Europe and Africa. The International Date Line also connects the north and south poles, but runs down the other side of the earth, ... More on careers360.com
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April 11, 2020
Why aren't the International Date Line and the Prime Meridian the same line or at least in the same area?
The international date line is in the Pacific in order to best avoid it hitting land. The prime meridian goes through England because that's where the cartographer who set it lived. This is my understanding of it. More on reddit.com
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October 8, 2012
Is it just a coincidence that the International Date Line happens to pass almost perfectly through the Bering Strait?
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September 14, 2021
The international date line is in the Pacific in order to best avoid it hitting land. The prime meridian goes through England because that's where the cartographer who set it lived. This is my understanding of it. Answer from MedicGoalie84 on reddit.com
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Wikipedia
en.wikipedia.org › wiki › International_Date_Line
International Date Line - Wikipedia
3 days ago - The IDL is roughly based on the meridian of 180° longitude, roughly down the middle of the Pacific Ocean, and halfway around the world from the IERS Reference Meridian, the successor to the historic Greenwich prime meridian running through the Royal Greenwich Observatory.
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Royal Museums Greenwich
rmg.co.uk › royal-observatory › attractions › stand-on-prime-meridian-line
Stand on the Prime Meridian Line
In 1884, different nations gathered in Washington D.C. to choose one single meridian as a common reference. After weeks of discussion, delegates voted to make the Greenwich Meridian the world's Prime Meridian.
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Utrecht University
webspace.science.uu.nl › ~gent0113 › idl › idl_imc_1884.htm
A History of the International Date Line - 1884 International Meridian Conference
In October 1884 astronomers and ... at the International Meridian Conference to recommend a common prime meridian for geographical and nautical charts that would be acceptable to all parties concerned. When the meridian of the Royal Observatory at Greenwich was by nearly-unanimous consent adopted as the prime meridian, it was remarked how convenient this choice was as it insured that the 180° meridian, where formally the date line should be ...
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Britannica Kids
kids.britannica.com › students › article › International-Date-Line › 275074
International Date Line - Students | Britannica Kids | Homework Help
This meridian forms a pair with the prime meridian at 0° longitude. The 180th meridian is called the international date line. The line swerves east or west of the meridian, however, to avoid cutting through island groups.
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AFAR
afar.com › places › international-date-line
Review of Crossing the International Date Line - AFAR
November 22, 2022 - mosaic with a mark at the intersection of the virtual Equator line and the Greenwich prime meridian on the small Rolas turtledove island in the south of Sao Tome Island, Republic of Sao Tome and Principe, Africa. RM ... Like many aspects of geography, the International Date Line isn’t so much a physical boundary as it is a human construct that tries to make sense of the world we live in.
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Worldgeographies
worldgeographies.com › theinternationaldateline
The International Date Line – world geographies
Amongst the many other things that ... Greenwich, was designated as 0° longitude. Run that line around the entire globe, bisecting the poles and, located at 180° longitude, you will find the International Date line (IDL)....
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Quizlet
quizlet.com › social science › world geography
Where do the international date line and equator cross? | Quizlet
The International Date Line (IDT) is an imaginary line that roughly follows the 180-degree longitude meridian in the Pacific Ocean. It serves as the boundary where the date changes from one day to the next.
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Social Studies for Kids
socialstudiesforkids.com › articles › geography › internationaldateline.htm
The International Date Line
... Because Earth is round. ... years went by before someone proposed a Date Line, opposite the Prime Meridian. It began to be drawn on maps as early as the 17th Century was not popularly adopted until much later. ... today, no law proclaims that an International Date Line exists.
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VEDANTU
vedantu.com › ncert solutions › ncert solutions for class 6 social science chapter 1 locating places on earth - 2025-26
Class 6 Social Science Chapter 1 Locating Places On Earth
October 8, 2024 - Time Zones: The Earth is divided into 24 time zones, each representing a one-hour difference, with zones every 15° east or west of the Prime Meridian.
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Quora
quora.com › What-is-the-time-difference-between-the-prime-meridian-and-the-international-date-line
What is the time difference between the prime meridian and the international date line? - Quora
Answer (1 of 3): The time difference between the Prime Meridian and the International Date Line is 12 hours, or 12 time zones. To circle the globe of Earth there are 24 time zones that the travelers experience.
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Globe Mobile
1worldglobes.com › home › the international date line
International Date Line
So it was again agreed internationally to place this Date Line at the 180th meridian, not because there is any special significance to its being directly opposite Greenwich, but because it runs right down the middle of the Pacific Ocean where there are the fewest land masses.
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Learn CBSE
learncbse.in › home › ncert class 6 social science chapter 1 questions and answers locating places on the earth
NCERT Class 6 Social Science Chapter 1 Questions and Answers Locating Places on the Earth - Learn CBSE
May 23, 2025 - Yes the 1800 longitude is not marked 180° E or 180°W as other meridians East or West of the Prime Median (0°). The 180° longitude is called the International Date Line opposite the Prime Meridian.
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Careers360
careers360.com › home › qna › difference b/w international dateline and prime meridian
difference b/w international dateline and prime meridian
April 11, 2020 - They're two different [imaginary] lines on the earth's surface, directly opposite each other. The Prime Meridian connects the north and south poles and runs through Europe and Africa.
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windowthroughtime
windowthroughtime.wordpress.com › tag › international-date-line
International Date Line – windowthroughtime
October 1, 2024 - The conference also selected the 180⁰ meridian as the location for the International Date Line (IDL), marking the boundary between one calendar day and the next, passing through the sparsely populated Central Pacific Ocean and causing, at ...