Do you mean "when is the update?" If you meant the Rush Hour announcement is was made at 4pm (Uk) in an article on Dovetail Live
I think the OP saw the time of 3pm UTC, forgot that we are in British Summertime and as soon as 1 nanosecond past three had gone, panicked.
Looking at the weather outside and the fact I have had my office heater on, I have forgotten it is British Summertime!