Nox pars obscura diei est. Home › Forum Online Discussion › Practice › Nox pars obscura diei est. This topic contains 0 replies, has 1 voice, and was last updated by russelln 1 year, 2 months ago. Viewing 1 post (of 1 total) Author Posts September 21, 2016 at 11:19 pm #47320 russelln Night is the dim part of the day. Equi-nox Close to equal night(and day)duration all over the earth. In a few hours the equinox. http://https://en.wiktionary.org/wiki/nox Author Posts You must be logged in to reply to this topic.