Working time in winter holidays

Our working time in winter holidays:
Dec 20, 21, 22 - 8:00-17:00
Dec 23 - 8:00-15:00
Dec 24, 25, 26 - holidays
Dec 27 - 8:00-17:00
Dec 28 - 8:00-12:00
Dec 29, 30 - inventory
Dec 31 - holiday