MS-DOS date/time - Revision history

Lucidiot: Add Kaitai Struct schema

2024-12-26T17:39:15Z

Add Kaitai Struct schema

2023-11-29T23:38:19Z

TSComp archives also use that time stamps

2023-04-13T23:56:51Z

Zoo format also use that time stamps

2020-11-29T11:30:12Z

highlight that these are bitfields not day counts or 2-second counts like unix epoch dates (did not want to repeat the spec since it is linked)

2018-02-21T14:49:01Z

‎Related formats

2017-07-23T15:00:47Z

Category:Date and time formats

2017-07-19T17:25:55Z

‎Related formats

2017-03-29T16:28:51Z

Category:MS-DOS

2017-02-23T22:08:28Z

2016-03-02T19:20:29Z

@@ Line 3: / Line 3: @@
 |subcat=Elements of File Formats
 |released=1981
 }}
 '''MS-DOS date''' and '''MS-DOS time''' are data formats associated with [[MS-DOS]]. They are used in some file formats from the MS-DOS era.

@@ Line 23: / Line 23: @@
 * [[CopyQM]]
 * [[Zoo]]
 [[Category:Date and time formats]]
 [[Category:Microsoft]]
 [[Category:MS-DOS]]

@@ Line 22: / Line 22: @@
 * [[Cabinet]]
 * [[CopyQM]]
 [[Category:Date and time formats]]
 [[Category:Microsoft]]
 [[Category:MS-DOS]]

@@ Line 4: / Line 4: @@
 |released=1981
 }}
-'''MS-DOS date''' and '''MS-DOS time''' are data formats associated with [[MS-DOS]]. They are used in some file formats from the MS-DOS era. Each is a 16-bit integer.
+'''MS-DOS date''' and '''MS-DOS time''' are data formats associated with [[MS-DOS]]. They are used in some file formats from the MS-DOS era.
 '''MS-DOS date''' represents a day in the range 1980 to 2099 (or maybe 2107, but dates after 2099 aren't always correctly handled).

@@ Line 18: / Line 18: @@
 * [[ZIP]]
 * [[LHA]]
 * [[CopyQM]]

@@ Line 8: / Line 8: @@
 '''MS-DOS date''' represents a day in the range 1980 to 2099 (or maybe 2107, but dates after 2099 aren't always correctly handled).
-'''MS-DOS time''' represents a 2-second interval within some day.
+'''MS-DOS time''' represents a 2-second interval within some day. The time is usually expected to be in "local time", and there is no indication of the time zone. This makes it fairly useless in the internet age.
 == Specifications ==