Hiring managers: Will a pre-planned vacation cost me a job offer?

I recently lost my job, and have several interviews coming up this week. I also have a vacation that would require two days off of work towards the end of January, I am not willing to lose the money I’ve already spent on the vacation to cancel it.

Could this possibly cost me a job offer? I would like to think not, and that two days is not that big of a deal, but I’m curious how a recruiter or hiring manager would feel about a potential employee needing two days off less than a month after starting.

Also, should I mention this prior to job offer or after I’ve received an offer?

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