de'i'o BAI experimental cmavo

on the Nth day of the month.

ma'irdeidetri modal. ex.) mi cliva lo gugde de'i'o li cino (I will leave the country on the 30th.) See also de'i; de'i'a, de'i'e, de'i'i, de'i'u.

In notes:

ma'irdeidetri
x1 (number) is the date/day notation of the month of event/state x2, in system x3.
de'i'a (exp!)
in the Nth century.
de'i'e (exp!)
in the year N.
de'i'i (exp!)
in the Nth month.
de'i'u (exp!)
on the Nth day of the week.