Today, 1 September 2015 is Sankashti Chaturthi (Angaraki Sankashti Chaturthi ) (Monthly Ganesha Chaturthi Fasting). It is observed on Krishna Paksha Chaturthi in each Hindu month.
The Sankashti is also known as Maha Sankashti Chaturthi. The previous Chaturthi was Ganesh Chaturthi (Vinayaka Chavithi).
Sankashti of September 2015 falls in Krishna Paksha of Bhadrapada Month as per North Indian Hindi calendars and in Shravan Month according to Marathi, Gujarati, Telugu and Kannada calendars.
It falls in Aavani Masam of Tamil Panjangam, Chinga Masam of Malayalam Panjangam, Bhadra Month of Bengali Panjika and Bhadra Month in Nepali Patri.
The Moonrise time or chandrodayam is at 8.39 PM IST. For more information on city-wise Moonrise Time on 1 September 2015 — Read this article
The next Sankashti Chaturthi will be in October 2014 – Ashwin Month in Amavasyant calendars, Kartik Month in Purnimant calendars, Aippasi Masam in Tamil calendar, Tulam Masam in Malayalam calendar and Kartik Month in Bengali calendar.