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Tropic of Cancer Countries

The Tropic of Cancer is a line of latitude about 23 degrees north of the equator, and is one of the five major lines of latitude, along with the Equator, Arctic and Antarctic circles and Tropic of Capricorn. Can you name the countries whose land mass it passes through?
The Tropic of Cancer is a fluctuating line - only nations that always touch the line are included; countries are listed from west to east
Additional research: buck1017
Quiz by Jerry928
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First submittedJuly 16, 2014
Last updatedJune 21, 2018
Times taken13,875
Rating4.94
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Country
Mexico
Bahamas
Morocco /
Western Sahara
Mauritania
Mali
Algeria
Country
Niger
Libya
Egypt
Saudi Arabia
United Arab
Emirates
Oman
Country
India
Bangladesh
Myanmar
China
Taiwan
+1
level 82
Jul 17, 2014
Western Sahara? The country quiz here doesn't recognise that as a country and I don't think it's a country anymore? Or it's called something else.
+4
level 72
Jul 17, 2014
That's an interesting one! Both "Morocco" and "Western Sahara" are allowable answers here, because both the Western Saharans and Morocco say its theirs! It had been a Spanish territory until 1975, when Spain withdrew and Western Sahara declared its independence. Morocco then invaded, but no United Nations member country has ever recognised its claim to it. Western Sahara remains a member of the African Union, has been recognised by over 80 countries, and maintains diplomatic relations with about half of those. See also this backgrounder.
+2
level 54
Feb 25, 2016
However, on the countries and world capitals quizzes, Western Sahara does not come up
+3
level 72
Feb 25, 2016
Perhaps it should then. It deserves to.
+4
level 57
Nov 18, 2018
The most important step to becoming a country is recognition by JetPunk. Therefore the Western Sahara is not a country.

On a more serious note, by a country JetPunk means a sovereign state. That means that whether the government has control of the country is more important than recognition by other countries. I don't know the exact details of how the sovereignty works in that area of the world, but I'm guessing it's something to do with whether the Western Sahara has an active government that doesn't have to bow to the will of Morocco and enforces its own laws.
+1
level 70
Nov 24, 2015
vietnam?
+2
level 70
Nov 25, 2015
I think Vietnam and Chad should be included.
+2
level 72
Nov 25, 2015
They both miss, just.
+2
level 72
Jul 5, 2018
If they miss, they miss, no two ways about it.
+2
level 83
Nov 25, 2015
Never noticed until now that the tropic threads the needle between Florida and Cuba. Interesting.
+1
level 73
Nov 25, 2015
The tropic does indeed pass through Chad. The tropics are not fixed lines at exactly 23 degrees, but vary year to year. Currently the tropic of Cancer is at 23°26′14.0″. The northernmost point of Chad is at 23°26′57″. So the Tropic of Cancer passes through Chad by 43 arc seconds. Normally I wouldn't know this, but I made this exact same quiz about a year ago with this qualifier.
+1
level 72
Dec 25, 2015
Researching this answer has unearthed a remarkable fact: the Tropic of Cancer is itself defined as the northernmost point of Chad! (see this international boundary study). Those who drafted that boundary detail in 1900 would have had no idea that the Tropic moves, so does that mean we have an accidentally moving boundary?! Although your quiz was written after this one, we'll add your qualifying rider, as well as a crediting link, to this quiz.
+1
level 69
Aug 16, 2016
"Those who drafted that boundary detail in 1900 would have had no idea that the Tropic moves." - Not sure this is right. The ancient Greeks were aware of the Earth's obliquity and had pretty accurate measurements of it. In medieval times both European and Arab astronomers were also aware that Earth's obliquity was not fixed and would also be aware of Greek measurements of obliquity different to those they could then attain (the general view was that it oscillated on multi-century cycles - a view that was not overturned until the time of Copernicus, I believe). The latitude of the tropics, by definition, matches the axial tilt (obliquity) of the Earth, so in 1900 they would have been well aware that the tropics are not fixed.
+1
level 78
Nov 18, 2018
Assuming they were intelligent, knowledgeable people and weren't picking an arbitrary definition.
+1
level 67
Feb 25, 2016
I believe that the Tropic of Cancer lies at 23.5 degrees north, although the actual sun/tropic moves slightly the given tropic stays at 23.5 for geographical purposes. The same goes for the Tropic of Capricorn at 23.5 degrees South.
+1
level 72
Feb 25, 2016
I thought that too, until I saw this photo!
+1
level 45
Feb 25, 2016
Nice quiz, was hard though, never really paid much attention to the tropic lines before!
+1
level 35
Feb 25, 2016
Sorry but Chad should be in. The most northern point is just on the Tropic and border is just considered as part of a country. https://en.wikipedia.org/wiki/23rd_parallel_north
+1
level 72
Feb 25, 2016
The Tropic (which is currently moving progressively southwards) was 23°27′ N in year 1917, north of Chad's current northernmost point of 23°26′ N. At some point, the Tropic will turn around and head northwards again. See my comments above for yet more complications around this!
+1
level 35
Feb 26, 2016
OK thanks Jerry
+1
level 74
Feb 25, 2016
Presumably it's impossible to score 4 points on this one. I managed 16 out of 17 but only 3 points?
+1
level 58
Feb 17, 2017
100% with 1:39 to go.
+1
level 57
Nov 18, 2018
If Chad is not included, I don't see how Niger can be, seeing as it is barely any further North than Chad and would fail on the condition of permanently having some of its territory on a tropic that fluctuates.
+1
level 56
Nov 19, 2018
Why is the tropic fluctuating? I get that the highest point of the sun fluctuates with the seasons, but the tropics are fixed, just like the equator, right?