This is a fantastic read. > "Time passes at the same speed on top of a mountain and at the bottom of a valley". Just curious, does this kind of gravitational

This is a fantastic read. > "Time passes at the same speed on top of a mountain and at the bottom of a valley". Just curious, does this kind of gravitational time dilation bear any consequence in our systems, given that we are building systems with the assumption that system clocks are not always accurate and there is no global time?