Hosted by Arclight 1.19.2 with MTR has an issue.
The arrival screen (i dont know the exact name, its the thing which shows the estimated arrival time of train)
always has a 3-minute delay.
When the train arrives, the screen still indicates 3 minutes and seems never refresh.
On all size of the screen the problem exists.
How should I fix it? It appears to be working fine on my local server.

MTR Forge Version. 3.2.0.

Check that the computer system times are synced properly on both the client and server.

How to solve this would also depend on the server host, if the clock on the server is off and it's hosted by a professional provider then there's not really a lot you can do.