Mother's Day, at least in the US, is always on a Sunday.
Additional info:
The date was Sunday, May 12, 1968.
For Mother's Day dates around the world, see the Wikipedia link.
To calculate things like "Mothers Day 1968" (assumes US version) or "second Sunday in May 1968" see Wolfram Alpha.
In 1968, Mother's Day fell on May 12th.
mothers day falls on 13th of may which is sunday
what day of the week was 12/09/1968
In 1968 Christmas was on Wednesday.
Monday (the day after Mothers' Day)
Sunday (Mothers' Day)
Sunday (Mothers' Day in the U. S.)
Mothers day always falls on a Sunday !
On June 20th of 1968, the day was Thursday :)
Sunday (Mothers' Day in the U. S.)
monday
Mothers Day is always the second Sunday of the month of May.