tzdiff(1)

TZDIFF(1) General Commands Manual TZDIFF(1)

NAME

tzdiff — displays timezone differences with localtime.

SYNOPSIS

tzdiff [-0] [-n count] [-f format] [-t time] 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:

-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:

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.:

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:

tzdiff Lond New_ 0 3

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 GNU Dec 21, 2018 TZDIFF(1)