What will be the weekday on 15th of August if 15th of July on the same year was Sunday?

Days from July 15th to August 15th:July has 31 days. Days remaining in July after 15th $=31-15=16$ days.Days in August up to 15th $=15$ days.Total days $=16+15=31$ days.Now, find the number of odd days:$31÷7=4$ weeks and $3$ odd days.Since July 15th was Sunday, August 15th will be Sunday $+3$ days.Sunday $\to$ Monday $\to$ Tuesday $\to$ Wednesday.So, the day is Wednesday.