In many countries, Teachers' Day is a special day for the appreciation of teachers, and may ..... announced that they changed the date to 1 October. Sri Lanka, 6 October, Officially Teachers' Day is celebrated in every school on 6 October.Sri Lankan Chetty teachers (1 P). S. ▻ Sinhalese teachers (3 P). T. ▻ Sri Lankan Tamil teachers (36 P). Pages in category "Sri Lankan teachers".