Time dilation does not directly affect the Planck time. The Planck time is the smallest unit of time that has physical significance and is derived from fundamental constants such as the speed of light, the gravitational constant, and the reduced Planck constant.
Time dilation, on the other hand, is a relativistic effect that arises from the relative motion of observers and the principles of Einstein's theory of relativity. It is primarily applicable to macroscopic objects or systems moving at significant fractions of the speed of light.
The Planck time, defined as approximately 5.39 x 10^-44 seconds, is a fundamental scale at which our current understanding of physics breaks down, and quantum effects become relevant. It is incredibly small, and our current understanding of the universe does not provide a detailed description of what happens at or below the Planck time.
While time dilation can affect the perception of time for macroscopic objects, it does not directly impact the Planck time itself, which is a fundamental constant of nature. The Planck time is independent of the relative motion or velocity of observers and is a fundamental unit of time in quantum gravity and the realm of quantum physics.