FFIOEDD YSGOL WEDI EI ROXETH,,en,FFIOEDD YSGOL MEWN ROXETH Tymor yr Hydref Diwygiedig,,en,newydd,,en
There are 3 terms per year and each term is approximately 11 weeks long.
There are always 33 weeks in a year.
Cliciwch yma am y rhestr ffioedd,,en,FFIOEDD MEX SEPT MEADD,,en…