NAME

       tzdiff — displays timezone differences with localtime.

SYNOPSIS

       tzdiff [-0lvHN] [-n count] [-f format] [-t start] timzone [timezone ...] [count] [0]

DESCRIPTION

       The tzdiff utility displays the localtime of the designated timezone and yours.

       The  tzdiff utility needs at least one of timezone name, such as “Asia/Tokyo”.  If the argument is “Asia”
       then tzdiff displays the timezones of Asia. You can easy to choose it from the result.

       The tzdiff supports the  complition  with  name  of  timezone  for  useful.   For  example,  “Tok”  means
       “Asia/Tokyo”.

       The options are as follows:

       -h      Show usage.

       -0      Round down to hour. 0(zero) may be specified as the last argument.

       -l      Display full timezone name (region/city), only city in default.

       -n count
               Number of hours. Default is 10. It may be specified as the last argument.

       -f format
               Output format of time. It uses output format of date(1)

       -t start
               Specify the start time.  For the GNU date command, you can specify a flexible format.  Otherwise,
               it  supports  one  of  "YYYY-mm-ddTHH:HH[Z]", "YYYYmmddTHHMM[Z]" or "YYYYmmddHHMM[Z]", adding "Z"
               means UTC.

       -v      Show version of tzdiff.

       -H      Scripting mode with timezone name. In scripting mode, field separator is TAB instead of space.

       -HH     Scripting mode without timezone name.

       -N      Display without local timezone.

EXAMPLES

       These exsamples are in JST.

       The command:

             tzdiff

       will display the result of “ls -F /usr/share/zoneinfo”:

             Africa/       Australia/    Etc/          MST           WET
             America/      CET           Europe/       MST7MDT       posixrules
             --- snip --- snip --- snip ---
             Asia/         EST           Indian/       SystemV/
             Atlantic/     EST5EDT       MET           UTC

       The command:

             tzdiff Eu

       will display the result of “ls -F /usr/share/zoneinfo/Europe”:

             Europe/Amsterdam        Europe/Kiev             Europe/Sarajevo
             Europe/Andorra          Europe/Kirov            Europe/Saratov
             --- snip --- snip --- snip ---
             Europe/Jersey           Europe/Samara
             Europe/Kaliningrad      Europe/San_Marino

       The command:

             tzdiff Europe/Amsterdam

       will display the time of CET and localtime.:

             Amsterdam
             2018-12-19 14:52 CET    2018-12-19 22:52 JST
             2018-12-19 15:52 CET    2018-12-19 23:52 JST
             --- snip --- snip --- snip ---
             2018-12-19 22:52 CET    2018-12-20 06:52 JST
             2018-12-19 23:52 CET    2018-12-20 07:52 JST

       The command:

             tzdiff Lond New_ 0 3

       will display:

             London                  New_York
             2018-12-20 01:00 GMT    2018-12-19 20:00 EST    2018-12-20 10:00 JST
             2018-12-20 02:00 GMT    2018-12-19 21:00 EST    2018-12-20 11:00 JST
             2018-12-20 03:00 GMT    2018-12-19 22:00 EST    2018-12-20 12:00 JST

SEE ALSO

       date(1), strftime(3), strptime(3)

       tzdiff on Github: https://github.com/belgianbeer/tzdiff

AUTHOR

       Written by Masato Minda

Debian                                            Jul 17, 2023                                         TZDIFF(1)