Both exams are open for registration up to and including March 15th 2017, and the final date to take either exam is March 31st 2017.
You can read more about the retirement on this blog post.
If you need to take either exam, it's time to act - head to this VCP5-DCV page to check eligibility and to find the details on both exams - or check my VCP5-DCV page.
These are the final retirements in the v5 exam-based certifications (excluding VCDX) - it's v6 and beyond now!