Sankashti Chaturthi, Ganesha Sankashtahara Chaturthi or Sankat Vinayak Chavithi, is an auspicious day to observe Ganesha puja. In November 2017, Sankashti Chaturthi date is November 7, Tuesday.
This Ganapati vrata is observed on fourth day of Krishna paksha (dark fortnight) in every Hindu month (Krishna Paksha Chaturthi).
It falls in Kartik month as per Gujarati, Marathi, Kannada, and Telugu calendars whereas it is in Margashirsha month as per North Indian Hindi calendars.
Chandrodaya time or Moon rise time on November 7, 2017 is 9.13 PM (in Maharashtra, and some parts of Andhra Pradesh, Telangana, Karnataka, and Gujarat). Devotees who observe sankashti will break their fast after moonrise. It is to note that moonrise time may differ for few minutes from place to place as per Indian Standard Time (IST).