Remove zones in backward file

- includes a significant refactor of the Gulf of St Lawrence to account
for new geometry of the boundary of Quebec.

Fixes #16
Refs #22

1 files changed, 64 insertions, 70 deletions

diff --git a/timezones.json b/timezones.json
index 1a4a073..b915e4a 100644
--- a/timezones.json
+++ b/timezones.json
@@ -688,6 +688,14 @@
       "op": "init",
       "source": "overpass",
       "id": "Atikokan-tz"
+    }, {
+      "op": "union",
+      "source": "overpass",
+      "id": "Coral Harbour-tz"
+    }, {
+      "op": "difference",
+      "source": "overpass",
+      "id": "Iqaluit-tz"
     }
   ],
   "America/Bahia": [
@@ -741,11 +749,13 @@
     }, {
       "op": "intersect",
       "source": "manual-polygon",
-      "data": [[[-61.25,53],[-61.25,48.57],[-51,53],[-61.25,53]]]
+      "data": [[[-61.25,53],[-61.25,48],[-51,53],[-61.25,53]]],
+      "description": "Grab eastern section of Quebec"
     }, {
-      "op": "union",
+      "op": "difference",
       "source": "manual-polygon",
-      "data": [[[-61.25,51.8],[-61.25,48.57],[-60.1,49.3],[-57.9,50.93],[-56.94,51.31],[-57.108836,51.3784254],[-57.4,51.8],[-61.25,51.8]]]
+      "data": [[[-58.9,46.8],[-63.37,47.66],[-60.4768198,48.7813802],[-58.9,46.8]]],
+      "description": "Exclude a section of area that should be America/Halifax"
     }
   ],
   "America/Boa_Vista": [
@@ -1077,17 +1087,6 @@
       "id": "Ojinaga-tz"
     }
   ],
-  "America/Coral_Harbour": [
-    {
-      "op": "init",
-      "source": "overpass",
-      "id": "Coral Harbour-tz"
-    }, {
-      "op": "difference",
-      "source": "overpass",
-      "id": "Iqaluit-tz"
-    }
-  ],
   "America/Costa_Rica": [
     {
       "op": "init",
@@ -1373,7 +1372,8 @@
     }, {
       "op": "intersect",
       "source": "manual-polygon",
-      "data": [[[-60.3,48.2],[-60.3,47.8],[-58.9,46.8],[-60.0238,46.5],[-60.3408651,46.3601573],[-60.1323124,45.7017791],[-59,45.428],[-59,34],[-67,44.06],[-66.4878,44.482],[-66.21,44.83],[-65.3,45.2],[-65.13,45.38],[-64.98,45.47],[-64.80607,45.5364896],[-64.5,46],[-63.7491191,46.2295464],[-64.34,46.36],[-64.56,46.6],[-64.58,46.69],[-64.46,47.07],[-61.69,48.52],[-61.25,48.57],[-60.5,48.4],[-60.3,48.2]]]
+      "data": [[[-58.9,46.8],[-60.0238,46.5],[-60.3408651,46.3601573],[-60.1323124,45.7017791],[-59,45.428],[-59,34],[-67,44.06],[-66.4878,44.482],[-66.21,44.83],[-65.3,45.2],[-65.13,45.38],[-64.98,45.47],[-64.80607,45.5364896],[-64.5,46],[-63.7491191,46.2295464],[-64.34,46.36],[-64.56,46.6],[-64.58,46.69],[-64.46,47.07],[-63.37,47.66],[-60.4768198,48.7813802],[-60.4037717,47.7610985],[-58.9,46.8]]],
+      "description": "Grab area of Canada including New Brunswick and an area of the Gulf of St Lawrence including Prince Edward Island and the Magdalen Islands"
     }, {
       "op": "difference",
       "source": "overpass",
@@ -1381,7 +1381,8 @@
     }, {
       "op": "difference",
       "source": "overpass",
-      "id": "New Brunswick"
+      "id": "New Brunswick",
+      "description": "Exclude New Brunswick to get exact boundary between Nova Scotia and New Brunswick"
     }
   ],
   "America/Havana": [
@@ -1719,19 +1720,28 @@
     }, {
       "op": "intersect",
       "source": "manual-polygon",
-      "data": [[[-70,46],[-67,44.06],[-66.4878,44.482],[-66.21,44.83],[-65.3,45.2],[-65.13,45.38],[-64.98,45.47],[-64.80607,45.5364896],[-64.5,46],[-63.7491191,46.2295464],[-64.34,46.36],[-64.56,46.6],[-64.58,46.69],[-64.46,47.07],[-61.69,48.52],[-63.16,48.34],[-64.66,48.12],[-65.23,47.92],[-65.48,47.86],[-65.76,48.02],[-66.0030068,48.016352],[-70,46]]]
+      "data": [[[-70,46],[-67,44.06],[-66.4878,44.482],[-66.21,44.83],[-65.3,45.2],[-65.13,45.38],[-64.98,45.47],[-64.80607,45.5364896],[-64.5,46],[-63.7491191,46.2295464],[-64.34,46.36],[-64.56,46.6],[-64.58,46.69],[-64.46,47.07],[-63.37,47.66],[-61.69,48.52],[-60,52],[-70,50],[-70,46]]],
+      "description": "Grab area of Canada around New Brunswick including part of Gulf of St Lawrence"
+    }, {
+      "op": "difference",
+      "source": "overpass",
+      "id": "Quebec",
+      "description": "Exclude Quebec territory including parts of Gulf of St Lawrence"
     }, {
       "op": "union",
       "source": "overpass",
-      "id": "New Brunswick"
+      "id": "New Brunswick",
+      "description": "Union to get exact border between New Brunswick and Nova Scotia"
     }, {
       "op": "union",
       "source": "manual-polygon",
-      "data": [[[-66.681,48.01],[-66.685,48.0158],[-66.6864,48.0166],[-66.723,48.029],[-66.7179,48.0363],[-66.7407,48.0623],[-66.733,48.0728],[-66.756,48.1022],[-66.802,48.086],[-66.754,48.0305],[-66.737,48.0274],[-66.73,48.0309],[-66.71,47.996],[-66.681,48.01]]]
+      "data": [[[-66.681,48.01],[-66.685,48.0158],[-66.6864,48.0166],[-66.723,48.029],[-66.7179,48.0363],[-66.7407,48.0623],[-66.733,48.0728],[-66.756,48.1022],[-66.802,48.086],[-66.754,48.0305],[-66.737,48.0274],[-66.73,48.0309],[-66.71,47.996],[-66.681,48.01]]],
+      "description": "Include terroritory belonging to Listuguj Mi'gmaq First Nation"
     }, {
       "op": "difference",
       "source": "overpass",
-      "id": "United States of America"
+      "id": "United States of America",
+      "description": "Exclude USA territory that is overlapping near Maine"
     }
   ],
   "America/Monterrey": [
@@ -1748,29 +1758,6 @@
       "id": "Uruguay"
     }
   ],
-  "America/Montreal": [
-    {
-      "op": "init",
-      "source": "overpass",
-      "id": "Quebec"
-    }, {
-      "op": "union",
-      "source": "manual-polygon",
-      "data": [[[-66.0030068,48.016352],[-65.76,48.02],[-65.48,47.86],[-65.23,47.92],[-64.66,48.12],[-63.16,48.34],[-61.69,48.52],[-61.25,48.57],[-61.25,51],[-66,51],[-66.0030068,48.016352]]]
-    }, {
-      "op": "difference",
-      "source": "manual-polygon",
-      "data": [[[-61.25,53],[-61.25,48.57],[-51,53],[-61.25,53]]]
-    }, {
-      "op": "difference",
-      "source": "manual-polygon",
-      "data": [[[-61,48],[-61.2,46.6],[-63.6,47.6],[-61,48]]]
-    }, {
-      "op": "difference",
-      "source": "manual-polygon",
-      "data": [[[-66.681,48.01],[-66.685,48.0158],[-66.6864,48.0166],[-66.723,48.029],[-66.7179,48.0363],[-66.7407,48.0623],[-66.733,48.0728],[-66.756,48.1022],[-66.802,48.086],[-66.754,48.0305],[-66.737,48.0274],[-66.73,48.0309],[-66.71,47.996],[-66.681,48.01]]]
-    }
-  ],
   "America/Montserrat": [
     {
       "op": "init",
@@ -2194,7 +2181,8 @@
     }, {
       "op": "intersect",
       "source": "manual-polygon",
-      "data": [[[-40,40],[-53.7,53.6],[-56.59,53.2],[-57.1077594,51.9984948],[-57.2,51.7],[-57.108836,51.3784254],[-56.94,51.31],[-57.9,50.93],[-60.1,49.3],[-61.25,48.57],[-60.5,48.4],[-60.3,48.2],[-60.3,47.8],[-58.9,46.8],[-40,40]]]
+      "data": [[[-40,40],[-53.7,53.6],[-56.59,53.2],[-57.1077594,51.9984948],[-64,51],[-60.4037717,47.7610985],[-58.9,46.8],[-40,40]]],
+      "description": "Grab part of Canada that includes Newfoundland and nearby sea area.  Also includes guesstimate of part of Labrador that observes St Johns time."
     }, {
       "op": "difference",
       "source": "overpass",
@@ -2285,6 +2273,25 @@
       "op": "init",
       "source": "overpass",
       "id": "Toronto-tz"
+    }, {
+      "op": "union",
+      "source": "overpass",
+      "id": "Quebec"
+    }, {
+      "op": "difference",
+      "source": "manual-polygon",
+      "data": [[[-61.25,53],[-61.25,48],[-51,53],[-61.25,53]]],
+      "description": "Exclude part of Quebec belonging to timezone America/Blanc-Sablon."
+    }, {
+      "op": "difference",
+      "source": "manual-polygon",
+      "data": [[[-58.9,46.8],[-60.4768198,48.7813802],[-63.37,47.66],[-64,45],[-58.9,46.8]]],
+      "description": "Exclude Magdalen Islands"
+    }, {
+      "op": "difference",
+      "source": "manual-polygon",
+      "data": [[[-66.681,48.01],[-66.685,48.0158],[-66.6864,48.0166],[-66.723,48.029],[-66.7179,48.0363],[-66.7407,48.0623],[-66.733,48.0728],[-66.756,48.1022],[-66.802,48.086],[-66.754,48.0305],[-66.737,48.0274],[-66.73,48.0309],[-66.71,47.996],[-66.681,48.01]]],
+      "description": "Exclude terroritory belonging to Listuguj Mi'gmaq First Nation"
     }
   ],
   "America/Tortola": [
@@ -2976,13 +2983,6 @@
       "id": "Kyzylorda"
     }
   ],
-  "Asia/Rangoon": [
-    {
-      "op": "init",
-      "source": "overpass",
-      "id": "Myanmar"
-    }
-  ],
   "Asia/Riyadh": [
     {
       "op": "init",
@@ -3215,6 +3215,13 @@
       "id": "Srednekolymsk-tz"
     }
   ],
+  "Asia/Yangon": [
+    {
+      "op": "init",
+      "source": "overpass",
+      "id": "Myanmar"
+    }
+  ],
   "Asia/Yekaterinburg": [
     {
       "op": "init",
@@ -4142,6 +4149,10 @@
       "op": "init",
       "source": "overpass",
       "id": "Chuuk"
+    }, {
+      "op": "union",
+      "source": "overpass",
+      "id": "Yap"
     }
   ],
   "Pacific/Easter": [
@@ -4242,18 +4253,8 @@
     }, {
       "op": "intersect",
       "source": "manual-polygon",
-      "data": [[[-179,18],[-169,35],[-148,18],[-179,18]]]
-    }
-  ],
-  "Pacific/Johnston": [
-    {
-      "op": "init",
-      "source": "overpass",
-      "id": "United States of America"
-    }, {
-      "op": "intersect",
-      "source": "manual-polygon",
-      "data": [[[-168,19],[-168,14],[-171,17],[-168,19]]]
+      "data": [[[-179,18],[-169,35],[-144,10],[-179,18]]],
+      "description": "Clip US boundary to include Hawaiian Island and Jonhston Atoll"
     }
   ],
   "Pacific/Kiritimati": [
@@ -4465,12 +4466,5 @@
       "source": "manual-polygon",
       "data": [[[-179,-14],[-177,-17],[-175,-12],[-179,-14]]]
     }
-  ],
-  "Pacific/Yap": [
-    {
-      "op": "init",
-      "source": "overpass",
-      "id": "Yap"
-    }
   ]
 }