This post is not about whether time is speeding up or not. I believe it is and lots and lots of other people would agree. This post is about why it might be happening.
Let's take video games. Video games run at certain framerate. If the game runs at, say, 60 fps, then each second contains 60 separate frames. Now, let's say that character makes a move that takes a certain amount of time. For example, jump. Let's say that jumping in this game takes a bit more than a second. So, at 60 fps a jump would take about 80 frames. At, say, 100 fps the same jump would take about 140 frames or so.
Higher framerates mean that every action, every event uses up more individual moments (frames) than lower ones. Or, in other words, each individual frame is less eventful than on lower framerates. Keep in mind, that objective time stays the same. That jump still takes a bit more than a second regardless of framerate. Even if framerate is ridiculously low, like 5 frames per second, it still takes the same amount of objective time. It's just that each of those 5 frames will contain more events, more advancements than on higher framerate.
I guess, by now you can see where I'm going with this. Our time is speeding up because the actual framerate of our reality (simulation?) is lower than it used to be. The framerate of our simulation is slowing down. Or you could also say that the server our reality is running on is starting to lag and that is the reason why our perceptive time is speeding up. Coincidentally this indirectly proves that we are indeed living in a simulation.
Crazy shit, I know... It's just an idea I had yesterday and decided to write it up. It explains and ties together several phenomena quite neatly and nicely. What do you think?
Dude, probably 20% - 25% of the people here think the earth is flat and stationary with everything in the sky making circles around it for some unexplained reason ("density and buoyancy"). They don't even think that gravity (the attractive force!) exists, much less the relativistic explanation of it, lol.
That said, time dilation, gravitational or otherwise, is not something that you experience. You just conclude it is there when you look through a telescope. So yes, being within a deep gravitational well will make outside space look like it is in fast motion, but you feel time passing normally and just wonder why everything out there is moving so fast.
Besides that, earth's gravity has not changed, and its various motions have not changed (in character) either, so why would there be any change in the local Lorentz factor?
Strictly speaking, Albert Einstein never proved anything. He derived these results as consequences of his assumptions in relativity theory. Doing this does not prove anything is actually real. There are all sorts of theories out there, including 11 dimensional multiverses and whatever, and people derive mathematical consequences of these all the time. Things like time dilation were proven to be real by various experimenters.
The gravity and so time dilation due to Sagittarius A* is negligible as you can demonstrate for yourself using the numbers you posted. The local gravity of earth completely dominates it. Besides that, the background field from this black hole is not changing at any sort of rate that matters. The same can be said for any attraction to neighboring galaxies. So there is no expectation that these would cause people to suddenly "feel time speeding up."