Naparima BWI | North American 1927 | Old Hawaiian |
Trinidad & Tobago | Canada (Alberta, | Mean for Hawaii, |
| British Columbia) | Kauai, Maui, Oahu |
North American 1927 |
|
|
Mean for Antigua, | North American 1927 | Old Hawaiian |
Barbados, Barbuda, | Canada (Manitoba, | Hawaii |
Caicos Islands, | Ontario) |
|
Cuba, Dominican |
| Old Hawaiian |
Republic, Grand | North American 1927 | Kauai |
Cayman, Jamaica, | Canada (New |
|
Turks Islands | Brunswick, New- | Old Hawaiian |
| foundland, Nova | Maui |
North American 1927 | Scotia, Quebec) |
|
Mean for Belize, |
| Old Hawaiian |
Costa Rica, El Sal- | North American 1927 | Oahu |
vador, Guatemala, | Canada (Northwest |
|
Honduras, Nicaragua | Territories, Sas- | Oman |
| katchewan) | Oman |
North American 1927 |
|
|
Mean for Canada | North American 1927 | Ordinance Survey |
| Canada (Yukon) | Great Britain 1936 - |
North American 1927 |
| Mean for England, |
Mean for CONUS | North American 1927 | Isle of Man, Scotland, |
(Continental United | Canal Zone | Shetland Islands, |
States) |
| Wales |
North American 1927 | North American 1927 |
|
Mean for CONUS | Cuba | Ordinance Survey |
(East of Mississippi |
| Great Britain 1936 - |
River) including Lou- | North American 1927 | England |
isiana, Missouri, Min- | Greenland (Hayes |
|
nesota | Peninsula) | Ordinance Survey |
|
| Great Britain 1936 - |
North American 1927 | North American 1927 | England, Isle of Man, |
Mean for CONUS | Mexico | Wales |
(West of Mississippi |
|
|
River) | North American 1983 | Ordinance Survey |
| Alaska, Canada, | Great Britain 1936 - |
North American 1927 | CONUS | Scotland, Shetland |
Alaska |
| Islands |
| North American 1983 |
|
North American 1927 | Central America, | Ordinance Survey |
Bahamas (Except | Mexico | Great Britain 1936 - |
San Salvador Island) |
| Wales |
| Observaorio Metereo |
|
North American 1927 | 1939; Azores (Corvo | Pico de las Nieves |
Bahamas (San Sal- | & Flores Islands) | Canary Islands |
vador Island) |
|
|
| Old Egyptian 1907 | Pitcairn Astro 1967 |
| Egypt | Pitcairn Island |
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