Here are the timetable of Haridwar Ardh Kumbh Mela 2021 bathing dates (Snan, Shahi Shan dates). Ardh Kumbh in Haridwar begins on 14 January (Makar Sankranti) and ends on 27 April with Chaitra Purnima Shahi Snan.
List of Snan dates..
Shahi Snan 2021 in Kumbh Mela | Royal Bath
11 March 2021 – Mahashivaratri Shahi Snan
12 April 2021 – Somvati Amavasya – Divya Shahi Snan (Royal Bath) for Six Akharas (Vaishnav Akharas & Udasi Akharas)
14 April 2021 – Mesha Sankranti Punyakaal
27 April 2021 – Chaitra Purnima Shahi Snan (Royal bath) for Six Akharas (Vaishnav Akharas & Udasi Akharas)
Ganga Snan 2021 in Kumbh Mela
14 January 2021 – Makar Sankranti Punya Snan
28 January 2021 – Poush Purnima Snan
11 February 2021 – Mauni Amavasya
16 February 2021 – Vasant Panchami
27 February 2021 – Magh Purnima
13 March 2021 – Falguni Amavasya Snan
28 March 2021 – Phalgun Purnima Snan
13 April 2021 – Chaitra Shukla Pratipada Snan – Nav Samvatsar Snan
21 April 2021 – Sri Ramanavami – Ganga Snan
11 May 2021 – Vaishakhi Amavasya Snan
14 May 2021 – Akshaya Tritiya Snan
18-19 May 2021 – Ganga Saptami Snan
26 May 2021 – Vaishakh Purnima Snan
Among the above dates, 11 March 2021 (Mahashivaratri), 12 April 2021 (Somvati Amavasya), 14 April 2021 (Mesha Sankranti) and 27 April 2021 (Baisakh Purnima) are considered as Shahi Snan.