The Jewish Feast of Sukkot begins on Tishrei 15 which is on October 1 according to the authoritative site www.chabad.org. The time of the start is 11:25?am EDT (Sunday) and ends on October 7 at 11:16am EDT (Sunday).

www.chabad.org/holidays/JewishNewYear/template_cdo/aid/998459/Jewish/Sukkot-Calendar.htm