From houston
The indefinite article "de" in Spanish is analogous to the indefinite article "of" in English.
de means of in spanish
De.
Trienta de octubre translates from Spanish to mean the 30th of October.
de que: from what
De = from. Para = to.
El = The De = Of
Of.
Of where/from where
It means "of" or "from".
of the
IT doesn't mean anything in Spanish. Perhaps you meant:"de mañana", an expression used in Spanish to mean "in the morning"