the details are available months before the event, I have my tickets bought and paid for 2 months in advance having been furnihed with timings, dates venues etc. Tickets are posted out usually a month before the gig.
It's not rocket science.

"Deaths in the Bible. God - 2,270,365
not including the victims of Noah's flood, Sodom and Gomorrah, or the
many plagues, famines, fiery serpents, etc because no specific numbers
were given. Satan - 10."