In accordance with article 5 of the Law of RK "On holidays in the Republic of Kazakhstan" holidays in Kazakhstan are non-working days. If the weekend and holiday coincide, the day off is the next working day after the holiday.
Meanwhile, according to article 84 of the Labor code of RK, the first day of Kurban Ayt is a day off. This year it falls on Sunday - August 11.
However, Kurban Ayt is not included in the list of state and national holidays and the provisions of the above law do not apply to it. That is, if Sunday coincides with the Kurban Ayt holiday, the next working day is not a day off.