Function calendrical_calculations::chinese_based::midnight

source · 
pub(crate) fn midnight<C: ChineseBased>(moment: Moment) -> Moment
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Universal time of midnight at start of a Moment’s day at the observation location

Based on functions from Calendrical Calculations by Reingold & Dershowitz. Lisp reference code: https://github.com/EdReingold/calendar-code2/blob/main/calendar.l#L5353-L5357