My hosting company is doing emergency maintenance and so there are possible down times - it's unlikely,but possible.
The times are:
Maintenance window 1
Start: 00:01 BST, 5th October 2017
End: 02:00 BST, 5th October 2017
Maintenance window 2
Start: 00:01 BST, 6th October 2017
End: 04:00 BST, 6th October 2017