In CVS, all dates and times are
processed by a version of the GNU
function, which can translate dates and times given in several
different formats. Case is always irrelevant when interpreting dates.
Spaces are permitted in date strings, but in the command-line client
a string with spaces should be surrounded by quotes. If the year is 0
to 99, it is considered to be in the twentieth century.
If a time is not given, midnight at the start of the date is assumed. If a time zone is not specified, the date is interpreted as being in the client’s local time zone.
Legal Date Formats
The legal time and date formats for CVS are defined by the ISO 8601 standard and RFC 822 as amended by RFC 1123. Other formats can be interpreted, but CVS is designed to handle only these standards.
The basic ISO 8601 date format is as follows:
All values are numbers with leading zeros to ensure that the correct
number of digits are used. Hours are given in 24-hour time. This
produces the structure
which is internationally acceptable and can be sorted easily. You can
use a date, a time, or both.
If you’re using ISO 8601 format with the hyphens,
the full date is required in CVS. The
date format is also acceptable and can be abbreviated to
formats are acceptable. Times can also be specified without the
Be aware that
HHMM may be misinterpreted as