Timestamps in UTC:
[11:55] Starting of shutdown at all servers
[12:44] #1 & #2 done
[12:51] #4 & #6 done
[13:01] #7 done
[13:04] #9 & #10 done
[18:46] #3 done
[18:49] #x1 to #x5 done
[18:54] #5 done
[19:36] #8 done
[19:48] Finished. All servers are working normally.