Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
DOS Time and Date Formats
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                                      Time
 
          F   E   D   C   B   A   9   8   7   6   5   4   3   2   1   0
        ├───┬───┬───┬───┬───┬───┬───┬───┼───┬───┬───┬───┬───┬───┬───┬───┤
        │       hours       │        minutes        │2-second increments│
        └───────────────────┴───────────────────────┴───────────────────┘
  values:        0-23                 0-59                   0-29
 
 
                                      Date
 
          F   E   D   C   B   A   9   8   7   6   5   4   3   2   1   0
        ├───┬───┬───┬───┬───┬───┬───┬───┼───┬───┬───┬───┬───┬───┬───┬───┤
        │            year           │     month     │        day        │
        └───────────────────────────┴───────────────┴───────────────────┘
  values:  0-119 (relative to 1980)        1-12              1-31
 
 
  See also: Int 21h Function 57h (Get or Set File Date and Time),
            Int 21h Function 4Eh (Search for First Match),
            Int 21h Function 4Fh (Search for Next Match),
            File Control Block (FCB)
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