Here's the official source for this announcement: Dato' Seri Mahdzir bin Khalid's post on Facebook
This is the Lampiran C, the part that was missing when the Takwim Persekolahan 2018 or 2018 School Calendar was announced recently.
With these officially out, parents can now start planning for the first cuti perayaan in the horizon which is the Chinese New Year one on 15 February 2018 to 19 February 2018 for all schools.
How does this compare with the Cuti Perayaan from 2017? Well, let's take a look at this year's Cuti Perayaan 2017 below. Looks like we will have shorter festive holidays overall for most and Hari Raya holidays is within the second term holidays.
Below is the official letter on the announcement of the cuti perayaan 2018.
Below is the Lampiran A and B which was released before the Cuti Perayaan 2018. You can refer to these for the school term holidays for the academic year 2018.