32-Bit Windows Time/Date Formats
Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here. ArchiveDisclaimer

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)

 

 

Show:
© 2016 Microsoft