Dog Days of Summer Puzzles

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(C)Copyright 2010, C. Burke. All rights reserved.


New Conversion: 1 Dog Day = 1 Week! Yes, I'm Sirius!

Edit: Here are hints to the answers. If you give up, you can rot13 them.
1. Guveq tenqr.
2. Uvtu fpubby.
3. Pynff vf bire sbe gbqnl.
4. V fgrccrq va vg ntnva.
(Lrnu, V ernyyl fgrccrq va vg ntnva.)