explanation corrections without change in results ;
ATH2-ATH3 = not 145,77 but 106 days of error
and
(ATL1-ATL2 ) + (ATH2-ATH3) / 22,85
(1719,79) +(1376,68) / secret ratio of 22,85 = 135,5 days of delay.
ATH3-ATH4 is 1376,68 days + 135,50 days = 1512 days = 06.08.2020