How to list timezones known to the system?

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1















I would like to have a list of all the timezones in my system's zoneinfo database (note : system is a debian strecth linux)



The current solution I have is : list all paths under /usr/share/zoneinfo/posix, which are either plain files or symlinks



cd /usr/share/zoneinfo/posix && find * -type f -or -type l | sort


I am not sure, however, that each and every known timezone is mapped to a path under this directory.



Question



Is there a command which gives the complete list of timezones in the system's current zoneinfo database ?










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migrated from serverfault.com Mar 3 at 3:52


This question came from our site for system and network administrators.


















  • Crossposting is not allowed on the SE network. Please delete the other question.

    – Sven
    Feb 18 at 11:09















1















I would like to have a list of all the timezones in my system's zoneinfo database (note : system is a debian strecth linux)



The current solution I have is : list all paths under /usr/share/zoneinfo/posix, which are either plain files or symlinks



cd /usr/share/zoneinfo/posix && find * -type f -or -type l | sort


I am not sure, however, that each and every known timezone is mapped to a path under this directory.



Question



Is there a command which gives the complete list of timezones in the system's current zoneinfo database ?










share|improve this question













migrated from serverfault.com Mar 3 at 3:52


This question came from our site for system and network administrators.


















  • Crossposting is not allowed on the SE network. Please delete the other question.

    – Sven
    Feb 18 at 11:09













1












1








1








I would like to have a list of all the timezones in my system's zoneinfo database (note : system is a debian strecth linux)



The current solution I have is : list all paths under /usr/share/zoneinfo/posix, which are either plain files or symlinks



cd /usr/share/zoneinfo/posix && find * -type f -or -type l | sort


I am not sure, however, that each and every known timezone is mapped to a path under this directory.



Question



Is there a command which gives the complete list of timezones in the system's current zoneinfo database ?










share|improve this question














I would like to have a list of all the timezones in my system's zoneinfo database (note : system is a debian strecth linux)



The current solution I have is : list all paths under /usr/share/zoneinfo/posix, which are either plain files or symlinks



cd /usr/share/zoneinfo/posix && find * -type f -or -type l | sort


I am not sure, however, that each and every known timezone is mapped to a path under this directory.



Question



Is there a command which gives the complete list of timezones in the system's current zoneinfo database ?







linux timezone






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asked Feb 18 at 9:57









LeGECLeGEC

1105




1105




migrated from serverfault.com Mar 3 at 3:52


This question came from our site for system and network administrators.









migrated from serverfault.com Mar 3 at 3:52


This question came from our site for system and network administrators.














  • Crossposting is not allowed on the SE network. Please delete the other question.

    – Sven
    Feb 18 at 11:09

















  • Crossposting is not allowed on the SE network. Please delete the other question.

    – Sven
    Feb 18 at 11:09
















Crossposting is not allowed on the SE network. Please delete the other question.

– Sven
Feb 18 at 11:09





Crossposting is not allowed on the SE network. Please delete the other question.

– Sven
Feb 18 at 11:09










1 Answer
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On Debian 9, your command gave me all of the timezones listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones



Additionally, systemd provides timedatectl list-timezones, which outputs a list identical to your command.



As far as I know, the data in tzdata is provided directly from IANA:



This package contains data required for the implementation of
standard local time for many representative locations around the
globe. It is updated periodically to reflect changes made by
political bodies to time zone boundaries, UTC offsets, and
daylight-saving rules.


So just keep the tzdata package updated.






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  • Yes, nowadays IANA is the canonical distribution point for the tz database.

    – fpmurphy
    Mar 3 at 5:14











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









3














On Debian 9, your command gave me all of the timezones listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones



Additionally, systemd provides timedatectl list-timezones, which outputs a list identical to your command.



As far as I know, the data in tzdata is provided directly from IANA:



This package contains data required for the implementation of
standard local time for many representative locations around the
globe. It is updated periodically to reflect changes made by
political bodies to time zone boundaries, UTC offsets, and
daylight-saving rules.


So just keep the tzdata package updated.






share|improve this answer























  • Yes, nowadays IANA is the canonical distribution point for the tz database.

    – fpmurphy
    Mar 3 at 5:14















3














On Debian 9, your command gave me all of the timezones listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones



Additionally, systemd provides timedatectl list-timezones, which outputs a list identical to your command.



As far as I know, the data in tzdata is provided directly from IANA:



This package contains data required for the implementation of
standard local time for many representative locations around the
globe. It is updated periodically to reflect changes made by
political bodies to time zone boundaries, UTC offsets, and
daylight-saving rules.


So just keep the tzdata package updated.






share|improve this answer























  • Yes, nowadays IANA is the canonical distribution point for the tz database.

    – fpmurphy
    Mar 3 at 5:14













3












3








3







On Debian 9, your command gave me all of the timezones listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones



Additionally, systemd provides timedatectl list-timezones, which outputs a list identical to your command.



As far as I know, the data in tzdata is provided directly from IANA:



This package contains data required for the implementation of
standard local time for many representative locations around the
globe. It is updated periodically to reflect changes made by
political bodies to time zone boundaries, UTC offsets, and
daylight-saving rules.


So just keep the tzdata package updated.






share|improve this answer













On Debian 9, your command gave me all of the timezones listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones



Additionally, systemd provides timedatectl list-timezones, which outputs a list identical to your command.



As far as I know, the data in tzdata is provided directly from IANA:



This package contains data required for the implementation of
standard local time for many representative locations around the
globe. It is updated periodically to reflect changes made by
political bodies to time zone boundaries, UTC offsets, and
daylight-saving rules.


So just keep the tzdata package updated.







share|improve this answer












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answered Feb 18 at 10:33









Simon FredstedSimon Fredsted

26529




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  • Yes, nowadays IANA is the canonical distribution point for the tz database.

    – fpmurphy
    Mar 3 at 5:14

















  • Yes, nowadays IANA is the canonical distribution point for the tz database.

    – fpmurphy
    Mar 3 at 5:14
















Yes, nowadays IANA is the canonical distribution point for the tz database.

– fpmurphy
Mar 3 at 5:14





Yes, nowadays IANA is the canonical distribution point for the tz database.

– fpmurphy
Mar 3 at 5:14

















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