This helps alliances n players know when event ends
The time selection thing says when it ends? With the times adjusted for your timezone even!
Regardless, for friday and sunday pvps, it always ends at 4 AM, 10 AM, 1 PM, 7 PM, or 10 PM EST for each respective time slice, with pves ending 1 hour earlier for the same time slices. And for the wed, it’s the same times, just flip the AM and PMs