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In order to normalize calculations based on time, solar calculators for instance, we need to translate the time, specifically the hours, from local time
to UTC (universal time code). Many time zone tables report the number of hours to add to UTC to
get local time. Please use the following convention: Western Hemisphere uses
Positive time zone numbers. This is shown in the table below:
| Western Hemisphere |
Eastern Hemisphere |
Hour
Off-Set: |
Location: |
Hour
Off-Set: |
Location: |
0
|
Greenwich, England
|
-1
|
Mid Europe/Africa
|
1
|
SE Greenland
|
-2
|
E Europe, E Central Africa
|
2
|
Atlantic Ocean
|
-3
|
Moscow, Mid-East, E Africa
|
3
|
Greenland Time
|
-4
|
NW Caspian Sea
|
3.5
|
Newfoundland Time
|
-5
|
Ural Mountains, Russia
|
4
|
Atlantic Time
|
-6
|
Almaty (Alma ATA), Russia
|
5
|
Eastern Standard Time
|
-7
|
W Mongolia
|
6
|
Central Standard Time
|
-8
|
China
|
7
|
Mountain Standard Time
|
-9
|
Japan
|
8
|
Pacific Standard Time
|
-10
|
Eastern Russia
Sydney, Australia
|
9
|
Alaska Time
|
-11
|
Kamchatskiy, E Russia
|
10
|
Hawaii
|
-3.5
|
Iran
|
11
|
Pacific Ocean
|
-4.5 |
Afghanistan
|
+/-12
|
International Date Line
|
-5.5 |
India
|
| |
|
-6.5 |
Burma
|
| |
|
-9.5
|
Mid Australia
|
|