This might just be an impreciseness of language, but it's actually 20 days after you've been there 3 years, and 25 after you've been there for 5.

So if you're saying 'year six' starts the day after you've been there for 5 full years, then yes, we are saying the same thing.

(Source: have been at Google almost 8 years, and went through both of those bumps)