Actually, time is relativistic in quantum field theory (QFT), the framework upon which the standard model is built. It has special relativity baked in, but not

Actually, time is relativistic in quantum field theory (QFT), the framework upon which the standard model is built. It has special relativity baked in, but not general relativity (which describes how gravity works). Unifying QFT and general relativity is a holy grail of physics. R.e. String theory, I would think time is relativistic also, it is a direct consequence of the speed of light being constant in all frames of reference, which is a fact consistently proven by many experiments over the last 100+ years.