If I try ROT13 on rby mjana → eol zwnan — eol = end of line? zwnan = ? llkmbywtr ROT13 → yyxzoljge = maybe "byyyy…" no.
Atbash each letter:
Let me guess: 2019 rby mjana llkmbywtr — "2019 rby mjana" maybe "2019 rby" → "2019 was" or "2019 for"? llkmbywtr Atbash: l ↔ o l ↔ o k ↔ p m ↔ n b ↔ y y ↔ b w ↔ d t ↔ g r ↔ i → oopnybdgi — not great.
llkmbywtr backwards rtwybmkll not clear.