32-Bit Windows Time/Date Formats
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at 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) |