Here is the calendar of Sankashti 2013 dates or Sankashta Hara Chaturthi 2013 schedule. Sankashti Chaturthi is the most auspicious vrata dedicated to Lord Ganesha.
Sankashti vrat is observed on Krishna Paksha Chaturthi in every Hindu month.
The list also includes the list of Angarika Sankashti Chaturthi dates in 2013. It also includes the Chandrodaya Time on Sankashti day in 2013 (Monthly Ganesh Chaturthi dates and Moonrise timings in 2013)
Sankashti Chaturthi in January 2013: 1 January, Tuesday- Angaraka Sankashta Hara Chaturthi (Angarak Chaturthi). Moonrise Timing: 9.20 PM.
Sankashti in January 2013: January 30, Wednesday. Moonrise Time: 9 PM.
Sankashti Chaturthi in February 2013: There is no Sankashta Hara Chaturthi in February 2013..
Sankashti Ganesha Chaturthi in March 2013: March 1, Friday. Moonrise Time: 9.40 PM
Sankashti Vinayaka Chavithi in March 2013: March 30, Saturday. Moonrise Time: 9.30 PM
Sankashti Chaturthi in April 2013: 28 April, Sunday. Moonrise Timing: 9.25 PM
Monthly Ganesh Sankashti Chaturthi in May 2013: 28 May, Tuesday (Angarika Chaturthi). Moonrise Time: 10.05 PM
Monthly Ganesh Chaturthi in June 2013: 26 June, Wednesday. Moonrise Time: 9.31 PM
Sankashtahara Chaturthi in July 2013: 25 July, Thursday. Moonrise Time: 8.55 PM
Sankatahara Chaturthi in August 2013: 24 August, Saturday. Chandrodaya Time: 9.00 PM
Monthly Vinayaka Chaturthi (Sankashti) in September 2013: 22 September, Sunday. Moonrise Time: 8.15 PM
Sankashti Chaturthi in October 2013: 22 October, Tuesday (Angarika Chaturthi). Moonrise Timings: 8.30 PM
Sankashti Chaturthi in November 2013: 21 November, Thursday. Moonrise Time: 8.45 PM
Sankashti Chaturthi in December 2013: 21 December, Saturday. Moonrise Time: 9.10 PM