International Mother's Day is celebrated and observed on the second Sunday in the month of May. Mother's Day will be celebrated on May 8 in 2022. The day is celebrated and observed to commemorate the efforts of mothers and honour their value in our lives and in our society. Mother's Day is celebrated in different countries across the world on different days. While many countries observe this day in the month of May, there are others that celebrate the day in the month of March.