No, according to American researchers, the tipping point comes between 17 and 23 days after the first message is sent.
2010) makes it unlikely that the problem lies in the 14C dates and/or the Egyptian historical chronology.
On the other hand, the extensive archaeological evidence from Tell el-Daba linked to many different cultures in the eastern Mediterranean and to the Egyptian historical chronology provides strong evidence for an absolute chronology shifted by about 120 yr with respect to the 14C dates.
Put simply, how soon you meet will have a direct effect on your chemistry. You could be consigning yourself to a disappointing date.
Thankfully, the window isn’t too terrifying (no one is saying that you have to slurp coffee in the first 24 hours).
(And I’d always recommend a coffee date – you can always excuse yourself if the going isn’t great, and you don’t spend oodles of cash on expensive dinners with duds).