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class Time
def convert_zone(to_zone)
original_zone = ENV["TZ"]
utc_time = dup.gmtime
ENV["TZ"] = to_zone
to_zone_time = utc_time.localtime
ENV["TZ"] = original_zone
return to_zone_time
end
end
convert_zone("US/Pacific")
t = Time.at(1000000000) # => Sat Sep 08 21:46:40 EDT 2001
t.convert_zone("US/Pacific") # => Sat Sep 08 18:46:40 PDT 2001
convert_zone("US/Alaska")
t = Time.at(1000000000) # => Sat Sep 08 21:46:40 EDT 2001
t.convert_zone("US/Alaska") # => Sat Sep 08 17:46:40 AKDT 2001
convert_zone("UTC")
t = Time.at(1000000000) # => Sat Sep 08 21:46:40 EDT 2001
t.convert_zone("UTC") # => Sun Sep 09 01:46:40 UTC 2001
convert_zone("Turkey")
t = Time.at(1000000000) # => Sat Sep 08 21:46:40 EDT 2001
t.convert_zone("Turkey") # => Sun Sep 09 04:46:40 EEST 2001
convert_zone("Asia/Calcutta")
t = Time.at(1000000000) # => Sat Sep 08 21:46:40 EDT 2001
t.convert_zone("Asia/Calcutta") # => Sun Sep 09 07:16:40 IST 2001
ENV["TZ"] = "Africa/Lagos"
ENV["TZ"] = "Africa/Lagos"
t = Time.at(1000000000) # => Sun Sep 09 02:46:40 WAT 2001
ENV["TZ"] = nil
puts t.convert_zone("Singapore") # => Sun Sep 09 09:46:40 SGT 2001
puts t.convert_zone("US/Eastern") # => Sat Sep 08 21:46:40 EDT 2001
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