At the risk of adding
yet another post about All Saints and All Souls Days…
:banghead:
…
There was a notice from the Holy See about what happens when 2 major feast days “overlap.”
Hi et similes casus solvi non possunt per normam universalem, quia necessitates pastorales et consuetudine [sic] fidelium diversae inveniuntur.
…
4. Attentis adiunctis naturae pastoralis, praxis sequenda in ambitu dioecesano indicetur initio anni ab Ordinario loci in Calendario liturgico proprio, etiam si casus fert derogando iis quae supra dicta sunt, cum, ob rationes pastorales, praeferenda videtur celebratio unius alteriusve Missae.
notitiae.ipsissima-verba.org/pdf/notitiae-1974-222-223.pdf
That means: Attention should be given to the pastoral nature of the situation. Follow the calendar of the diocese as the Ordinary of the diocese determines, even if doing so derogates from a strict adherence to the calendar norms.
(Obviously, that’s not a literal translation

)