Ekadasi Vrat is the most auspicious day dedicated to Lord Vishnu Puja. Ekadashi is observed on eleventh day of every fortnight of the Hindu month (Shukla Paksha & Krishna Paksha).
Some Ekadashi vratas are differed by a day for Smartha and Vaishnava sect of Hindus.
Smarta people observe Ekadashi on the day during which Ekadasi starts and Vaishnava sect of people observe it on the next day.
Here is the schedule of Ekadashi Vrat in 2017
8 January 2017
(Sunday) Pausha Putrada Ekadashi, Vaikunta Ekadashi, Mukkoti Ekadashi
23 January 2017
(Monday) Shattila Ekadashi
7 February 2017
(Tuesday) Jaya Ekadashi
22 February 2017
(Wednesday) Vijaya Ekadashi
8 March 2017
(Wednesday) Amalaki Ekadashi
24 March 2017
(Friday) Papmochani Ekadashi
7 April 2017
(Friday) Kamada Ekadashi
22 April 2017
(Saturday) Varuthini Ekadashi
23 April 2017
(Sunday) Vaishnava Varuthini Ekadashi
6 May 2017
(Saturday) Mohini Ekadashi
22 May 2017
(Monday) Apara Ekadashi
5 June 2017
(Monday) Nirjala Ekadashi
20 June 2017
(Tuesday) Yogini Ekadashi
4 July 2017
(Tuesday) Devshayani Ekadashi
19 July 2017
(Wednesday) Kamika Ekadashi
20 July 2017
(Thursday) Gauna Kamika EkadashiVaishnava Kamika Ekadashi
3 August 2017
(Thursday) Shravana Putrada Ekadashi
18 August 2017
(Friday) Aja Ekadashi
2 September 2017
(Saturday) Parsva Ekadashi
16 September 2017
(Saturday) Indira Ekadashi
1 October 2017
(Sunday) Papankusha Ekadashi
15 October 2017
(Sunday) Rama Ekadashi
31 October 2017
(Tuesday) Devutthana Ekadashi
14 November 2017
(Tuesday) Utpanna Ekadashi
30 November 2017
(Thursday) Mokshada Ekadashi
13 December 2017
(Wednesday) Saphala Ekadashi
29 December 2017
(Friday) Pausha Putrada Ekadashi