32-Bit Windows Time/Date Formats
The file time and the date are stored individually, using unsigned integers as bit fields. File time and date are packed as follows:
Time
Bit position: |
0 1 2 3 4 |
5 6 7 8 9 A |
B C D E F |
|---|---|---|---|
Length: |
5 |
6 |
5 |
Contents: |
hours |
minutes |
2-second increments |
Value Range: |
0–23 |
0–59 |
0–29 in 2-second intervals |
Date
Bit position: |
0 1 2 3 4 5 6 |
7 8 9 A |
B C D E F |
|---|---|---|---|
Length: |
7 |
4 |
5 |
Contents: |
year |
month |
day |
Value Range: |
0–119 |
1–12 |
1–31 |
|
(relative to 1980) |
|
|