Either I'm not understanding what you want, or this is real easy.
Let's say I have a class Event with a field edate, which is stored in
UTC:
>> e = Event.find(1)
=> #<Event id: 1, edate: "2009-03-30 12:00:00">
>> e.edate
=> Mon, 30 Mar 2009 12:00:00 UTC +00:00
>> e.edate.class
=> ActiveSupport::TimeWithZone
Now Let's say you want the time in "America New York" zone. First,
create a new TimeZone object:
>> ze = ActiveSupport::TimeZone.new("Eastern Time (US & Canada)")
=> #<ActiveSupport::TimeZone:0xb780fb80 @utc_offset=-18000,
@name="Eastern Time (US & Canada)", @tzinfo=#<TZInfo::DataTimezone:
America/New_York>>
Then:
>> e.edate.in_time_zone(ze)
=> Mon, 30 Mar 2009 08:00:00 EDT -04:00
So in summary, I think you just need this:
local_zone = ActiveSupport::TimeZone.new("name_of_time_zone")
local_time = time_in_utc.in_time_zone(local_zone)
You will need to see the documentation for TimeZone for the names of
all the zones.
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