The window for maintenance work is from 6am to 12 midnight.
From 6am - 10am, hard outages could occur (services can be down completely). The remaining hours (10am - 12 midnight) could experience intermittent outages.
6/2/2019
6/30/2019
7/28/2019
8/25/2019
9/22/2019
10/27/2019
11/24/2019
12/15/2019