NAME

tzdiff — displays timezone differences with localtime.

SYNOPSIS

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:

-0

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

-n count

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

-h

Show usage.

-f fmt

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

-t arg

Specify the start time. It supports one of “YYYY-mm-ddThh:mm” or “YYYYmmddThhmm”.

-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:

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:

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:

will display the time of CET and localtime.:

Europe/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:

will display:

Europe/London           America/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