Hello Marlysson.  I am getting the following error.  I have removed the 
module pytx_timezone, and I have verified that I have pip installed pytz.  
Not sure what else to dheck.

<type 'exceptions.ImportError'> No module named pytz

On Sunday, July 10, 2016 at 4:39:30 PM UTC-5, Marlysson Silva wrote:
>
> You try to make this:
>
> 1. Add library in the front-end to get user timezone ( this code need to 
> be in the first page that user access ), to get timezone first.
>
> - https://bitbucket.org/pellepim/jstimezonedetect/src
> {{if timezone_is_unknown: }}
> <script>
>   $(function() {
>     var tz_name = jstz.determine();
>     $.get("{{=URL('default', 'define_timezone')}}", tz_name);
>   });
> </script>
>
>
> 2. Add  the controller responsible by determine timezone:
>
> def define_timezone():
>     """Call ajax to determine user timezone"""
>
>     tz_name = request.vars.name
>
>     from pytz import all_timezones_set
>
>     if tz_name in all_timezones_set:
>         session.user_timezone = tz_name
>
>
> 3. And in the your model you put:
>
> from pytz import timezone
>
> timezone_user = session.user_timezone or timezone('UTC')
> timezone_is_unknown = session.user_timezone is None
>
>
> 4. Use in the your model related with timezone:
>
> IS_DATETIME(format=("%m-%d-%Y %H:%H), timezone = 
> pytz.timezone(timezone_user) )
>
> There are other form, that is insert everything in UTC datetime and create 
> a function responsible to convert this timezone in UTC datetime inserted in 
> database. Just delayed a lot of kkkk, but yet I will create a 
> web2py_timezone_starter with app ready to receive apps that are handled by 
> timezones.
>
> I'm creating this application to demonstrate this, if you want look..
>
> http://marlysson.pythonanywhere.com/timezone
>
> At app, the *Hour "your PC"* is datetime.now()  simulating datetime of user, 
> just that it's datetime of the pythonanywhere.
>
>
> Em quinta-feira, 7 de julho de 2016 16:19:10 UTC-3, Jeff Riley escreveu:
>>
>> Hello all.  Me again.  I have run into an interesting issue.  I have 
>> installed and followed niphlod's w2p_timezone_plugin.  In order to make it 
>> work on my local PC I need to setup my db.py as follows.
>>
>> import pytz
>> user_timezone = session.plugin_timezone_tx or 'UTC'
>>
>>
>> db.define_table('events',
>>                 Field('event_time', 'datetime', default = request.now, 
>> update = request.now,
>>                     requires=IS_DATETIME(format=('%m-%d-%Y %H:%M'), 
>> timezone=pytz.timezone(user_timezone))),
>>
>>
>> But to get it to work on pythonanywhere.com I have to setup my db.py as 
>> follows.  Any ideas why?
>>
>>
>> import pytz
>>
>> db.define_table('events',
>>                 Field('event_time', 'datetime', default = request.now, 
>> update = request.now,
>>                     requires=IS_DATETIME(format=('%m-%d-%Y %H:%M'), 
>> timezone=pytz.timezone("US/Central"))),
>>
>>
>>
>>

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