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39th Parallel North

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Title: 39th Parallel North  
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39th Parallel North

Line across the Earth
39th parallel north

The 39th parallel north is a circle of latitude that is 39 degrees north of the Earth's equatorial plane. It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.

At this latitude the sun is visible for 14 hours, 54 minutes during the summer solstice and 9 hours, 26 minutes during the winter solstice.[1]

Daylight along the 39th parallel north falls under 10 hours a day starting on 18 November and returns to over ten hours a day beginning 24 January. Crops and other plant growth is considerably slowed during this period of reduced sunlight.

In the United States, the eastern boundary of the state of California was defined as following the 120th meridian west south from the 42nd parallel north to its intersection with the 39th parallel north, beyond which it follows a diagonal line to where the Colorado River crosses the 35th parallel north.[2]

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 39° north passes through:

Co-ordinates Country, territory or sea Notes
Mediterranean Sea
 Spain Island of Ibiza
Mediterranean Sea Passing just south of the island of Cabrera,  Spain
 Italy Islands of Sant'Antioco and Sardinia
Mediterranean Sea Tyrrhenian Sea - passing just north of the island of Stromboli,  Italy
Mediterranean Sea Ionian Sea
 Greece Mainland and island of Euboea
Aegean Sea Passing just north of the island of Skyros,  Greece
 Greece Island of Lesbos
Aegean Sea
 Azerbaijan Nakhchivan exclave
Caspian Sea
 Turkmenistan Island of Ogurja Ada
Caspian Sea
 People's Republic of China Xinjiang
Qinghai (for about 7 km)
Gansu (for about 30 km)
Qinghai (for about 17 km)
Inner Mongolia (for about 16 km)
Gansu (for about 6 km)
Inner Mongolia
Inner Mongolia
Inner Mongolia
Tianjin (just south of the city centre)
Yellow Sea Bohai Gulf
 People's Republic of China Liaoning (Liaodong Peninsula) — passing just north of Dalian
Yellow Sea Passing just south of Zhangzi Island and Haiyang Island
 North Korea South Pyeongan Province
Passing through Pyongyang-Daedong River
South Pyeongan Province
Gangwon Province
Sea of Japan
 Japan Island of Honshū:
Yamagata Prefecture
Akita Prefecture
Iwate Prefecture
Miyagi Prefecture − for about 1 km
— Iwate Prefecture
Pacific Ocean
 United States California
West Virginia
Maryland - cutting through the Chesapeake Bay Bridge
Delaware Bay
 United States New Jersey
Atlantic Ocean Passing between the islands of Portugal
Mediterranean Sea

See also


  1. ^
  2. ^ Hubbard, Bill (2009). American Boundaries: The Nation, the States, the Rectangular Survey. University of Chicago Press. pp. 156–157.  

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