x1 (event/state) is in the first month/January of a year x2 in system x3.
lo masnpa = lo se ma'irdetri be li pa. ex.) lo nu ti noi xrula cu preja cu masnpa ro nanca la gregoris (These flowers bloom in January every year in system Gregorian.) / mi'a vitke fi lo tersla noi masnpa (We will attend a party on January.) See also detri, detke'u, masti; masnpa, masnre, masnci, masnvo, masnmu, masnxa, masnze, masnbi, masnso, masndau, masnfei, masngai, masnjau, masnrei or masnxei, masnvai.