Masa Shivaratri is an auspicious day to perform Shiva Puja. It falls on Krishna Paksha Chaturdashi, a day prior to Amavasya or No Moon. Here you can get the list of Masa Shivaratri 2021 dates.
Maha Shivaratri is observed on Masa Shivratri in Magh month as per Marathi, Gujarati, Telugu, and Kannada Calendars; and in Falgun month as per North Indian Hindi calendars. Here is the list of Masa Shivaratri 2021 dates:
Monday, 11 January 2021 – Masa Shivaratri in Poush Month (Margashirsha Month in Amavasyant Panchang)
Wednesday, 10 February 2021 – Masa Shivaratri in Magh Month (Poush Month)
Thursday, 11 March 2021 – Masa Shivaratri in Falgun Month (Magh Month)
Saturday, 10 April 2021 – Masa Shivaratri in Chaitra Month (Falgun Maas)
Sunday, 9 May 2021 – Masa Shivaratri in Vaishakh Month (Chaitra Maas)
Tuesday, 8 June 2021 – Masa Shivaratri in Jyeshta Month (Vaishakh Month)
Thursday, 8 July 2021 – Masa Shivaratri in Ashada Month (Jyeshta Month)
Friday, 6 August 2021 – Masa Shivaratri in Shravan Month (Ashada Month)
Sunday, 5 September 2021 – Masa Shivaratri in Bhadrapad Month (Shravan Month)
Monday, 4 October 2021 – Masa Shivaratri in Ashwin Month (Bhadrapad Maas)
Wednesday, 3 November 2021 – Masa Shivaratri in Karthik Month (Ashwin Maas)
Thursday, 2 December 2021 – Masa Shivaratri in Margashirsha Month (Kartik Maas)