Lines of Longitude (West)

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Earth Coordinates Map
Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ). Points with the same longitude lie in lines running from the North Pole to the South Pole. By convention, one of these, the Prime Meridian, which passes through the Royal Observatory, Greenwich, England, was intended to establish the position of zero degrees longitude. The longitude of other places was to be measured as the angle east or west from the Prime Meridian, ranging from 0° at the Prime Meridian to +180° eastward and −180° westward. Specifically, it is the angle between a plane containing the Prime Meridian and a plane containing the North Pole, South Pole and the location in question. (This forms a right-handed coordinate system with the z axis (right hand thumb) pointing from the Earth's center toward the North Pole and the x axis (right hand index finger) extending from Earth's center through the equator at the Prime Meridian.)A location's north-south position along a meridian is given by its latitude, which is (not quite exactly) the angle between the local vertical and the plane of the Equator.

Longitude, Wikipedia

West Lines

  1. 1st meridian west
  2. 2nd meridian west
  3. 3rd meridian west
  4. 4th meridian west
  5. 5th meridian west
  6. 6th meridian west
  7. 7th meridian west
  8. 8th meridian west
  9. 9th meridian west
  10. 10th meridian west
  11. 11th meridian west
  12. 12th meridian west
  13. 13th meridian west
  14. 14th meridian west
  15. 15th meridian west
  16. 16th meridian west
  17. 17th meridian west
  18. 18th meridian west
  19. 19th meridian west
  20. 20th meridian west
  21. 21st meridian west
  22. 22nd meridian west
  23. 23rd meridian west
  24. 24th meridian west
  25. 25th meridian west
  26. 26th meridian west
  27. 27th meridian west
  28. 28th meridian west
  29. 29th meridian west
  30. 30th meridian west
  31. 31st meridian west
  32. 32nd meridian west
  33. 33rd meridian west
  34. 34th meridian west
  35. 35th meridian west
  36. 36th meridian west
  37. 37th meridian west
  38. 38th meridian west
  39. 39th meridian west
  40. 40th meridian west
  41. 41st meridian west
  42. 42nd meridian west
  43. 43rd meridian west
  44. 44th meridian west
  45. 45th meridian west
  46. 46th meridian west
  47. 47th meridian west
  48. 48th meridian west
  49. 49th meridian west
  50. 50th meridian west
  51. 51st meridian west
  52. 52nd meridian west
  53. 53rd meridian west
  54. 54th meridian west
  55. 55th meridian west
  56. 56th meridian west
  57. 57th meridian west
  58. 58th meridian west
  59. 59th meridian west
  60. 60th meridian west
  61. 61st meridian west
  62. 62nd meridian west
  63. 63rd meridian west
  64. 64th meridian west
  65. 65th meridian west
  66. 66th meridian west
  67. 67th meridian west
  68. 68th meridian west
  69. 69th meridian west
  70. 70th meridian west
  71. 71st meridian west
  72. 72nd meridian west
  73. 73rd meridian west
  74. 74th meridian west
  75. 75th meridian west
  76. 76th meridian west
  77. 77th meridian west
  78. 78th meridian west
  79. 79th meridian west
  80. 80th meridian west
  81. 81st meridian west
  82. 82nd meridian west
  83. 83rd meridian west
  84. 84th meridian west
  85. 85th meridian west
  86. 86th meridian west
  87. 87th meridian west
  88. 88th meridian west
  89. 89th meridian west
  90. 90th meridian west
  91. 91st meridian west
  92. 92nd meridian west
  93. 93rd meridian west
  94. 94th meridian west
  95. 95th meridian west
  96. 96th meridian west
  97. 97th meridian west
  98. 98th meridian west
  99. 99th meridian west
  100. 100th meridian west
  101. 101st meridian west
  102. 102nd meridian west
  103. 103rd meridian west
  104. 104th meridian west
  105. 105th meridian west
  106. 106th meridian west
  107. 107th meridian west
  108. 108th meridian west
  109. 109th meridian west
  110. 110th meridian west
  111. 111th meridian west
  112. 112th meridian west
  113. 113th meridian west
  114. 114th meridian west
  115. 115th meridian west
  116. 116th meridian west
  117. 117th meridian west
  118. 118th meridian west
  119. 119th meridian west
  120. 120th meridian west
  121. 121st meridian west
  122. 122nd meridian west
  123. 123rd meridian west
  124. 124th meridian west
  125. 125th meridian west
  126. 126th meridian west
  127. 127th meridian west
  128. 128th meridian west
  129. 129th meridian west
  130. 130th meridian west
  131. 131st meridian west
  132. 132nd meridian west
  133. 133rd meridian west
  134. 134th meridian west
  135. 135th meridian west
  136. 136th meridian west
  137. 137th meridian west
  138. 138th meridian west
  139. 139th meridian west
  140. 140th meridian west
  141. 141st meridian west
  142. 142nd meridian west
  143. 143rd meridian west
  144. 144th meridian west
  145. 145th meridian west
  146. 146th meridian west
  147. 147th meridian west
  148. 148th meridian west
  149. 149th meridian west
  150. 150th meridian west
  151. 151st meridian west
  152. 152nd meridian west
  153. 153rd meridian west
  154. 154th meridian west
  155. 155th meridian west
  156. 156th meridian west
  157. 157th meridian west
  158. 158th meridian west
  159. 159th meridian west
  160. 160th meridian west
  161. 161st meridian west
  162. 162nd meridian west
  163. 163rd meridian west
  164. 164th meridian west
  165. 165th meridian west
  166. 166th meridian west
  167. 167th meridian west
  168. 168th meridian west
  169. 169th meridian west
  170. 170th meridian west
  171. 171st meridian west
  172. 172nd meridian west
  173. 173rd meridian west
  174. 174th meridian west
  175. 175th meridian west
  176. 176th meridian west
  177. 177th meridian west
  178. 178th meridian west
  179. 179th meridian west
  180. 180th meridian west

See Also

List Circles of Latitude

Lines of Longitude (East)