pru lam dei lujvo

d₁=p₁=l₁ is yesterday; d₁=p₁=l₁ is the day preceding/eve of p₂=l₂, day standard d₃.

In notes:

djedi: x₁ is x₂ full days in duration (default is 1 day) by standard x₃; (adjective:) x₁ is diurnal.
bavlamdei: d₁=b₁=l₁ is tomorrow; d₁=b₁=l₁ is the day following b₂=l₂, day standard d₃.
cabdei: d₁=c₁ is today; d₁=c₁ is the day occuring at the same time as c₂, day standard d₃.
prulamcte: n₁=l₁=p₁ is the night before p₂=l₂ at location n₃.
prulamdjedy'utka'au: x₁ (event/date) is before x₂ (event/date) by x₃ (li; integer) days; x₁ is x₃ days before x₂.
pru'ei: x₁ is yesterday of / the day before x₂ by day-standard x₃.