스무날
[seu·mu·nal]
(noun) (when counting the days; period, duration, number of days) 20 days, twenty days · (reading date in the traditional system, from day 1 to day 30) day 20
스무날 is not used in daily life nowadays (outdated).
Equivalent: 이십 일 (20일) (⚠️ 십, not 시)













