rails/rails — pull request #7703 by kennyj (2012-09-19 15:54:57+00:00)
Title: Fix #6962. AS::TimeWithZone#strftime responds incorrectly to %:z and %::z format strings.

Please see #6962.

AS::TWZ#strftime's behavior isn't equals to Time#strftime.
It seems `%:z` and `%::z` format are ignored.