I was asked to "turn off the lights, please."
If this was a disembodied voice, not traceable to anyone present, and heard by your partner also, I'd be really freaked out. If it was just someone present asking you to turn out the lights, I'd provisionally put it down to the electricity glitching at a coincidental time,
Provisionally, because Nothing Is Ever A Coincidence.
Ah shoot, I didn’t catch the ambiguity - it was just my partner asking me to turn off the lights, which is much less weird. (I edited the post to make it clearer, thanks!)
Still, it must have had some Kabbalistic significance.
If nothing else, you can check the oven clock resetting by briefly flipping a circuit breaker and seeing what happens.
I've had a handful of things happen in my 37 years approximately this weird or slightly weirder, and so have many people I've met and many family members. I think it's well within normal bounds without needing to suppose anything extraordinary or supernatural.
As far as where the line would be where I personally start questioning my mental state, I'm not sure precisely, but I can easily think of things that would be clearly beyond it. Consistency, stability, and community are all factors. Is whatever is happening recurring? Does it pass various tests I and others can concoct? Can others perceive it? How does it make me feel, other than seeming eerie?
Possibly silly example: If you've ever seen the movie What Women Want, there's a scene where Mel Gibson asks Bette Midler to think of a number between one and a million so he can prove he can hear her thoughts. Best example I can think of where media showed a quick and reliable empirical test of a supposed supernatural phenomenon. Very different result from the Cactus Person prime factorization test.
Something happened to me a few months back that I still don't have a satisfying explanation for.
I was in a small, 10x10 room, and on my way out. Still a few paces from being within arm's length of the light switch, my partner asked me to "turn off the lights, please."
The lights immediately turned off and the room went completely dark.
I stood there, shocked, standing in the darkness until the lights came on, probably 3/4 of a second later.
For a moment, my heart started beating and I felt a bit freaked out. This was quickly replaced with "wait, even if we're spitting out crazy explanations here, why am I even considering ghost stories before I imagine worlds where someone, like, installed cameras and is toying with me" (not a great explanation, but much better than the former).
After a few days, I started thinking about this whole experience like The Pyramid And The Garden, and have now come to a similar conclusion. The best fitting story seems to be that this was just a really weirdly timed blackout.
Some things that could happen immediately before an outage that would elicit a similar reaction:
(Most of these are a lot weirder than the relatively common phrase "turn off the lights, please." I'd like to think of more examples that match it's specific weirdness level.)
I've had the ability to notice when I observe a really unlikely event for about 10 years (before that, I was pretty young so I don't think I'll count it). Searching through memories of "extremely weird things that have happened to me," nothing comes up besides this.
Additionally, I've probably been rolling the dice a lot more than I know, continuously for the last 10 years. If you're considering the number of times I've witnessed any extremely unlikely weird-sounding event, regardless of what it is, I think this rate might make some sense.
If, on average, people observe an event this weird once every 30 years, an exponential distribution () puts my odds at 28% after 10 years and 86% after 60 years, which doesn't seem that crazy.
This doesn't feel unlikely enough for me to start second guessing my mental state, but at some point that line must exist.
If instead, someone was chanting "Bloody Mary, Bloody Mary, ..." before the blackout, would that have crossed the line? There exist some set of observations that are less likely than me being drugged or crazy, in which case I'd hope to realize that my senses should be questioned.
While I'm quite certain that this particular observation is not yet unlikely enough to be in that set, I'm curious where other people draw that line.