Shiva Purana
अब्दजन्मदिने कुर्याज्जन्मनैवेद्यमुत्तमम् । मासांतरेषु जन्मर्क्षपूर्णयोगदिनेपि च ८३ ।
In other months when the natal star comes in conjunction with the planets, this can be performed.
english translation
abdajanmadine kuryAjjanmanaivedyamuttamam । mAsAMtareSu janmarkSapUrNayogadinepi ca 83 ।
hk transliteration by Sanscript