Where I live, it gets dark now much earlier than it did a year or two ago. I remember it being 11pm, yet very bright outside, around this time. Now it just feels to me like we are in September already. Also, the sun is rising at a different spot (more towards the north) for the past couple years. I know that for a fact, because I used to wake up at around 5 am for years and would always see the sun rise at a particular spot (in May, cause that's when I'd be really admiring the sunrise).
I think here's why.