Meta has it backwards, because they could've already made another choice. UTC is a representation of the offset. This will always need to be calculated somewh

Meta has it backwards, because they could've already made another choice. UTC is a representation of the offset. This will always need to be calculated somewhere. Much like how the GPS counts the time since the epoch and broadcasts the offset...it can be used or not by the user. Those times are a calibration adjustment. For UTC, that adjustment is a reference to the current status provided by IERS. That's literally the job of UTC. Meta can simply stop applying a time offset in their reference, use TAI for forensics, and then have a separately calculated time when they need to display in that representation. ...Which is what happens already. System time is seconds since The Unix Epoch. All of those times are calculated and available, and always will be. They chose one of them, didn't like it, and invented a crummy workaround. They could've logged it in TAI and appended the TAI TZ to all their timestamps. This is being done to work around poor coding choices they made, instead of making the computing fit reality. Basically "We chose smearing, which is a poopstain of tech debt, so we'll fix it by telling the whole world what time it is." That request is loaded with colossal hubris. They might as well have the second redefined. The real operators do their thing and leave the squawking to those who want to self-identify a poor coders. Because if they don't want to account for a clock that jumps, then they're kicking the can down the road and they want everyone else to join. Turning it into a Y2K or Y2038 problem is a sad choice of saddling bigger tech debt on the rest of the world. Calling it mainstream is as much of a narrative as permanent daylight savings time was. The software solutions exist and were deployed (at least throughout Linux and main userspace) by the June 2015 leap. This is a Facebook problem that they're sloppily handling by pushing it on literally everyone else.