rails/rails — pull request #5571 by jarkko (2012-03-24 18:21:22+00:00)
Title: [#5559] Do not black out the system timezone DST jump hour if Time.zone ...

...differs from that.

The system timezone DST jump hour should not be blacked out by Time.zone.parse if current Time.zone does not do the jump at that time.

Fixes #5559.