When Sukkot in 2017?

Sukkot holiday falls on the Hebrew calendar dates Tisri 15-21. Here are the dates coincide secular coming years:

2017: 04 August (sunset) - 11
The Hebrew calendar date begins at sundown the night before. Thus, all the rituals holiday begins at sundown on the secular dates listed, the day following the first full day of vacation. Hebrew calendar dates conclude at nightfall.
The first two days of Sukkot (the sunset from the date of first listed, until nightfall two days later) are full, do not permit professional vacation days. Chol Hamoed are following days when work is permitted, albeit with restrictions. The last day of Sukkot is known as Hoshan Raba.