Time has been observed to pass more slowly in quasars in the early universe.

The observed time dilation comes as a consequence of Albert Einstein's theory of general relativity combined with the expansion of space. "At its core, this is another 'Einstein is right again' story," Geraint Lewis, a cosmologist at the University of Sydney, told Space. with. Read more about it: (SOURCE): https://space.com/quasar-clocks-universe-time-dilation