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A new characterization of tabularity in tense logic is established, namely, a tense logic L is tabular if and only if 
$\mathsf {tab}_n^T\in L$ for some 
$n\geq 1$. Two characterization theorems for the Post-completeness in tabular tense logics are given. Furthermore, a characterization of the Post-completeness in the lattice of all tense logics is established. Post numbers of some tense logics are shown.
