Is there a list of Pytz Timezones

Question

I would like to know what are all the possible values for the timezone argument in the Python library pytz  How to do it

User · Answer

In my opinion this is a design flaw of pytz library  It should be more reliable to specify a timezone using the offset  e g   pytz construct  UTC-07 00     which gives you Canada Pacific timezone

User · Answer

Don t create your own list - pytz has a built-in set   import pytz set pytz all timezones set     gt  gt  gt    Europe Vienna    America New York    America Argentina Salta        You can then apply a timezone   import datetime tz   pytz timezone  Pacific Johnston   ct   datetime datetime now tz tz   gt  gt  gt  ct isoformat   2017-01-13T11 29 22 601991-05 00   Or if you already have a datetime object that is TZ aware  not naive      This timestamp is in UTC my ct   datetime datetime now tz pytz UTC     Now convert it to another timezone new ct   my ct astimezone tz   gt  gt  gt  new ct isoformat   2017-01-13T11 29 22 601991-05 00

User · Answer

They appear to be populated by the tz database time zones found here

User · Answer

Available from Python3 9  zoneinfo new module in Python3 9 which works against the database of IANA  In order to grab all the available timezones  first  pip install tzdata  And then  import zoneinfo  print zoneinfo available timezones

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EDIT  I would appreciate it if you do not downvote this answer further  This answer is wrong  but I would rather retain it as a historical note  While it is arguable whether the pytz interface is error-prone  it can do things that dateutil tz cannot do  especially regarding daylight-saving in the past or in the future  I have honestly recorded my experience in an article  Time zones in Python      If you are on a Unix-like platform  I would suggest you avoid pytz and look just at  usr share zoneinfo  dateutil tz can utilize the information there   The following piece of code shows the problem pytz can give  I was shocked when I first found it out   Interestingly enough  the pytz installed by yum on CentOS 7 does not exhibit this problem    import pytz import dateutil tz from datetime import datetime print  datetime 2017 2 13 14 29 29  tzinfo pytz timezone  Asia Shanghai         - datetime 2017 2 13 14 29 29  tzinfo pytz timezone  UTC           total seconds    print  datetime 2017 2 13 14 29 29  tzinfo dateutil tz gettz  Asia Shanghai         - datetime 2017 2 13 14 29 29  tzinfo dateutil tz tzutc           total seconds     -29160 0 -28800 0   I e  the timezone created by pytz is for the true local time  instead of the standard local time people observe  Shanghai conforms to  0800  not  0806 as suggested by pytz   pytz timezone  Asia Shanghai    lt DstTzInfo  Asia Shanghai  LMT 8 06 00 STD gt    EDIT  Thanks to Mark Ransom s comment and downvote  now I know I am using pytz the wrong way  In summary  you are not supposed to pass the result of pytz timezone      to datetime  but should pass the datetime to its localize method   Despite his argument  and my bad for not reading the pytz documentation more carefully   I am going to keep this answer  I was answering the question in one way  how to enumerate the supported timezones  though not with pytz   because I believed pytz did not provide a correct solution  Though my belief was wrong  this answer is still providing some information  IMHO  which is potentially useful to people interested in this question  Pytz s correct way of doing things is counter-intuitive  Heck  if the tzinfo created by pytz should not be directly used by datetime  it should be a different type  The pytz interface is simply badly designed  The link provided by Mark shows that many people  not just me  have been misled by the pytz interface

User · Answer

The timezone name is the only reliable way to specify the timezone    You can find a list of timezone names here  http   en wikipedia org wiki List of tz database time zones Note that this list contains a lot of alias names  such as US Eastern for the timezone that is properly called America New York   If you programatically want to create this list from the zoneinfo database you can compile it from the zone tab file in the zoneinfo database  I don t think pytz has an API to get them  and I also don t think it would be very useful

User · Answer

You can list all the available timezones with pytz all timezones   In  40   import pytz In  41   pytz all timezones Out 42      Africa Abidjan     Africa Accra     Africa Addis Ababa           There is also pytz common timezones   In  45   len pytz common timezones  Out 45   403  In  46   len pytz all timezones  Out 46   563

User · Answer

Here  Python list of country codes  names  continents  capitals  and pytz timezones   countries       timezones     Europe Paris     code    FR    continent    Europe    name    France    capital    Paris     timezones     Africa Kampala     code    UG    continent    Africa    name    Uganda    capital    Kampala      timezones     Asia Colombo     code    LK    continent    Asia    name    Sri Lanka    capital    Sri Jayewardenepura Kotte      timezones     Asia Riyadh     code    SA    continent    Asia    name    Saudi Arabia    capital    Riyadh      timezones     Africa Luanda     code    AO    continent    Africa    name    Angola    capital    Luanda          timezones     Europe Vienna     code    AT    continent    Europe    name    Austria    capital    Vienna      timezones     Asia Calcutta     code    IN    continent    Asia    name    India    capital    New Delhi      timezones     Asia Dubai     code    AE    continent    Asia    name    United Arab Emirates    capital    Abu Dhabi      timezones     Europe London     code    GB    continent    Europe    name    United Kingdom    capital    London        For full list    Gist Github  Hope  It helps

[python] Is there a list of Pytz Timezones?

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