Do you know what are the traditional cultures of the Hui people

The Hui have three major festivals, namely Eid al-Fitr, Qurbon, and Sanki. These festivals and anniversaries are calculated on the Islamic calendar. Islamic calendar, to the moon surplus and deficit shall prevail, the whole year for 12 months, 345 days in a flat year, 355 days in a leap year, 30 years **** there is a leap year, no leap month, and the difference between the calendar every year 11 days, on average, every 32.6 years than the calendar for 1 year. Therefore, the above three major festivals of the Hui people are generally one month in advance every three years