Rohini Nakshatra is considered to be a very auspicious constellation in Vedic astrology. The time when the moon enters Rohini Nakshatra is considered to be a very auspicious time. Rohini Nakshatra occuring on Tuesday is termed as Mangal Rohini Yog and the one occurring on Saturday is termed as Shani Rohini Yog. Both of these are considered auspicious of all. The list below is indicating the day of occurrence of Rohini Nakshatra in the year 2021 according to Hindu Panchang. Mangal Rohini is indicated with * and Shani Rohini is indicated with **.
|Date of Rohini Nakshatra||Day of Rohini Nakshatra||Tithi|
|24-01-2021||Sunday||Paush Sud 11|
|20-02-2021||Saturday**||Magh Sud 8|
|20-03-2021||Saturday**||Phalgun Sud 7|
|16-04-2021||Friday||Chaitra Sud 4 (Samvat 2078)|
|13-05-2021||Thursday||Vaishakh Sud 2|
|10-06-2021||Thursday||Jyeshthh Vad 30|
|07-07-2021||Wednesday||Ashad Vad 13|
|03-08-2021||Tuesday*||Shravan Vad 10|
|31-08-2021||Tuesday*||Bhadva Vad 1|
|27-09-2021||Monday||Ashwin Vad 3|
|24-10-2021||Sunday||Kartik Vad 4|
|20-11-2021||Saturday**||Agahan Vad 1|
|18-12-2021||Saturday**||Agahan Vad 14|
Note: Rohini Nakshatra usually lasts for two days. The table here mentions only the day on which Rohini Nakshatra would occur in the presence of Sunrise in 2021. It is considered that the day on which Pushya Nakshatra occurs with Sunrise is the perfect day of doing Rohini Nakshatra Tapa or Rohini Vrat.