Crowded network
During prime time, routers along the way queue up packets and delay grows.

In the evening and on weekends, lots of people are online at once and some of your ISP's routes fill up. That is when your Sea of Thieves ping rises for no obvious reason. GamesTC looks for less congested paths.
GamesTC Network
7 associated city(ies):
Around the congestion
Alternate paths for the hours when your ISP's route gets crowded.
GamesTC Detailed Smart Route
Connection quick guide
If your Sea of Thieves ping is fine in the morning and bad at 9 p.m., the problem is congestion: your ISP's route fills up during prime time. Your PC and the server haven't changed. The path has. Switching routes during those hours usually makes a difference.
During prime time, routers along the way queue up packets and delay grows.
The Sea of Thieves server hasn't changed. The route to it is just crowded.
Test your ping with and without GamesTC at night to see the difference for yourself.
Less difference between your morning and evening ping.
Paths that avoid the busiest stretches of your ISP's network.
Use your 4 free hours right when your ping usually gets worse.