Please correct these sentences
1.I live on Dubai-Sharjah border / I live on the border of Dubai-Sharjah
2.I did the cleaning by myself.
3.On behalf of Eid, there will be no classes on 15th and 16th of next month.
4.Office hours is/are not a problem for me.
Due to the Eid holiday, there will be no classes...
I might add that I would place the article "the " before 15th...i.e. "no classes on the 15th and 16th...."
Just my take on it,