In mexico is celebrated by processions from the 16 of december until christmas eve to represent the journey of mary and joseph to bethlehem.
cinco de mayo
día de los reyes
posadas
el día de los muertos

In Mexico Posadas is celebrated by processions from the 16 of December until Christmas Eve to represent the journey of Mary and Joseph to Bethlehem.

Explanation:

The Posadas are a series of festivities that have been held in Mexico since colonial times. Its origin is religious. The tradition arises with the arrival of the Spaniards in Mexico. Here the religious in charge of the evangelization of the people supplanted the cult of the god of war by the European practice of preparation for Christmas, the inns.

usualmente me lavo los dientes antes de acostarme pero ayer no me lavé.  

usualmente hago mis tareas a las 15: 00pm pero ayer las hice a las 20 pm.  

usualmente llego a mi casa a las siete pero ayer volví a las nueve  

usualmente cocino arroz pero ayer cociné fideos.  

usualmente llamo a mi hermano al mediodía pero ayer lo llamé en la noche