The time period within which it is still reasonable to expect condolences for the death of a relative.
Dave: My uncle Pete died 5 years ago today.
Andy: Yeah, do you want to go to the pub tonight?
Dave: What the fuck, I just told you that my uncle Pete died.
Andy: Yeah, and?
Dave: Well, aren't you going to say "I'm sorry"?
Andy: Fuck that, 5 years is way outside the condolences window!