DM\_DATE(1) User Contributed Perl Documentation DM\_DATE(1)

# [NAME](#NAME)

dm\_date - print out the system date and time

# [SYNOPSIS](#SYNOPSIS)

This performs the same operation as the unix 'date' command, but using the Date::Manip module.

```
   dm_date [OPTION]... [+FORMAT]
```

# [DESCRIPTION](#DESCRIPTION)

This displays information about the current system time, or some other time. Options are:

[-h, --help](#h,)

Print online help.

[-d STRING, --date=STRING](#d)

Display time described by STRING. STRING can be any string which can be parsed by Date::Manip. Please refer to the Date::Manip::Date documentation for details.

[-f DATEFILE, --file=DATEFILE](#f)

This reads each line in DATEFILE, and extracts a date from it and prints out the information.

Blank lines and lines starting with a pound (#) are ignored. Lines not containing a valid date are also ignored.

[-r FILE, --reference=FILE](#r)

Displays the last modification time of FILE.

[-R, --rfc-2822](#R,)

Displayc the date and time in RFC 2822 format.

Example: Mon, 07 Aug 2006 12:34:56 -0600

[-u, --utc, --universal](#u,)

Converts the date to UT (GMT) and prints out the information.

Only one of -d, -f, or -r should be included. If more than one is included, the first one from the list (-d, -f, -r) is used and any other is ignored.

The format string starts with a plus (+) and contains any of the format directives described in Date::Manip::Date.

# [KNOWN BUGS](#KNOWN_BUGS)

None known.

# [BUGS AND QUESTIONS](#BUGS_AND_QUESTIONS)

Please refer to the Date::Manip::Problems documentation for information on submitting bug reports or questions to the author.

# [SEE ALSO](#SEE_ALSO)

Date::Manip::Date

# [LICENSE](#LICENSE)

This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

# [AUTHOR](#AUTHOR)

Sullivan Beck (https://github.com/SBECK-github/)

2026-09-02 perl v5.44.0

---

Document: dm_date(1) from perl-date-manip 7.00-r0 (Chainguard OS)
Source: https://github.com/SBECK-github/Date-Manip