UTC (Zulu) PST/ ALDT PDT/ MST MDT/ CST CDT/ EST EDT/ AST ALST HST 0000* 1600 1700 1800 1900 2000 1500 1400 0100 1700 1800 1900 2000 2100 1600 1500 0200 1800 1900 2000 2100 2200 1700 1600 0300 1900 2000 2100 2200 2300 1800 1700 0400 2000 2100 2200 2300 0000* 1900 1800 0500 2100 2200 2300 0000* 0100 2000 1900 0600 2200 2300 0000* 0100 0200 2100 2000 0700 2300 0000* 0100 0200 0300 2200 2100 0800 0000* 0100 0200 0300 0400 2300 2200 0900 0100 0200 0300 0400 0500 0000* 2300 1000 0200 0300 0400 0500 0600 0100 0000* 1100 0300 0400 0500 0600 0700 0200 0100 1200 0400 0500 0600 0700 0800 0300 0200		UTC (Zulu) PST/ ALDT PDT/ MST MDT/ CST CDT/ EST EDT/ AST ALST HST   1300 0500 0600 0700 0800 0900 0400 0300 1400 0600 0700 0800 0900 1000 0500 0400 1500 0700 0800 0900 1000 1100 0600 0500 1600 0800 0900 1000 1100 1200 0700 0600 1700 0900 1000 1100 1200 1300 0800 0700 1800 1000 1100 1200 1300 1400 0900 0800 1900 1100 1200 1300 1400 1500 1000 0900 2000 1200 1300 1400 1500 1600 1100 1000 2100 1300 1400 1500 1600 1700 1200 1100 2200 1400 1500 1600 1700 1800 1300 1200 2300 1500 1600 1700 1800 1900 1400 1300 2400 1600 1700 1800 1900 2000 1500 1400
*0000 and 2400 are interchangeable. 2400 is associated with the date of the day ending, 0000 with the day just starting.
UTC = Coordinated Universal Time, or Zulu PST = Pacific Standard Time (UTC - 8 hours) ALDT = Alaskan Daylight Time (UTC - 8 hours) PDT = Pacific Daylight Time (UTC - 7 hours) MST = Mountain Standard Time (UTC - 7 hours) MDT = Mountain Daylight Time (UTC - 6 hours) CST = Central Standard Time (UTC - 6 hours) CDT = Central Daylight Time (UTC - 5 hours) EST = Eastern Standard Time (UTC - 5 hours) EDT = Eastern Daylight Time (UTC - 4 hours) AST = Atlantic Standard Time (UTC - 4 hours) ALST = Alaskan Standard Time (UTC - 9 hours) HST = Hawaiian Standard Time (UTC - 10 hours)

Data from Feb. 2004 QST, p67, 68

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