NKCH observes the following six national holidays. Observance of each holiday will  begin at 11:00 PM the day before the holiday and end at 10:59 PM the day of the holiday.

New Year's DayJanuary 1st
Memorial DayLast Monday in May
Independence DayJuly 4th
Labor DayFirst Monday in September
Thanksgiving DayFourth Thursday in November
Christmas DayDecember 25th