If it is done as a false flag then I think they have the right date planed.
And therein lies another problem, who is the most “useful” post-EMP?
If it’s a planned event, who and what are they willing to sacrifice to continue both the charade and keep things moving in the direction they want?
Which group/area is more useful and productive than the other? With ‘selective’ release, different areas could be harder hit than others.
That would give a better guess at a time-frame for when it’s potentially possible.
Done in a hot August, the southern areas would tear themselves apart while the north would suffer along.
Done in darkest January, the north would freeze while the south would fare much better.
Places like Chicago, Detroit and New York would be a disaster regardless of season. They are now.