Coordinated Universal Time (UTC)
Coordinated Universal Time (UTC) is the time at the zero or Prime
meridian, which runs through Greenwich, England. Time changes one hour with each change of 15 degrees in
longitude. The five time zones in the US proper and Canada roughly
follow these lines.
Conversion Between UTC and the Pacific Time Zone Pacific Standard Time is equal to UTC minus 8 hours. Pacific Daylight Time is equal to UTC minus 7 hours.
- UTC = Coordinated Universal Time
- PDT = Pacific Daylight Time
- PST = Pacific Standard Time
- *0000 and 2400 are interchangeable.
(2400 is associated with the date of the day ending, 0000 with the day just starting.)
UTC |
PDT
|
PST
|
0000*
|
1700 |
1600 |
0100 |
1800 |
1700
|
0200 |
1900 |
1800
|
0300 |
2000
|
1900
|
0400 |
2100
|
2000
|
0500 |
2200
|
2100
|
0600 |
2300
|
2200
|
0600 |
0000*
|
2300
|
0700 |
0100
|
0000*
|
0800 |
0200
|
0100
|
0900 |
0300
|
0200
|
1000 |
0400
|
0300
|
1100 |
0500
|
0400
|
1200 |
0600
|
0500
|
1300 |
0700
|
0600
|
1400 |
0800
|
0700
|
1500 |
0900
|
0800
|
1700 |
1000
|
0900
|
1800 |
1100
|
1000
|
1900 |
1200
|
1100
|
2000 |
1300
|
1200
|
2100 |
1400
|
1300
|
2200 |
1500
|
1400
|
2300 |
1600
|
1500
|
2400* |
1700
|
1600
|
For more information on UTC, see the following sites.
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