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US Time Conversion
Time Conversion Chart
UTC EDT/AST CDT/EST MDT/CST PDT/MST PST
0000* 2000 1900 1800 1700 1600
0100 2100 2000 1900 1800 1700
0200 2200 2100 2000 1900 1800
0300 2300 2200 2100 2000 1900
0400 0000* 2300 2200 2100 2000
0500 0100 0000* 2300 2200 2100
0600 0200 0100 0000* 2300 2200
0700 0300 0200 0100 0000* 2300
0800 0400 0300 0200 0100 0000*
0900 0500 0400 0300 0200 0100
1000 0600 0500 0400 0300 0200
1100 0700 0600 0500 0400 0300
1200 0800 0700 0600 0500 0400
1300 0900 0800 0700 0600 0500
1400 1000 0900 0800 0700 0600
1500 1100 1000 0900 0800 0700
1600 1200 1100 1000 0900 0800
1700 1300 1200 1100 1000 0900
1800 1400 1300 1200 1100 1000
1900 1500 1400 1300 1200 1100
2000 1600 1500 1400 1300 1200
2100 1700 1600 1500 1400 1300
2200 1800 1700 1600 1500 1400
2300 1900 1800 1700 1600 1500
2400* 2000 1900 1800 1700 1600

* 0000 and 2400 are interchangeable. (2400 is associated with the date of the day ending, 0000 with the day just starting.)

Universal Coordinated Time (UTC) is the time at the zero or reference meridian. 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.

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