Notes: All timings are represented in 12-hour notation in local time of New Delhi, India with DST adjustment (if applicable).
Hours which are past midnight are suffixed with next day date. In Panchang day starts and ends with sunrise.
Onam is a Hindu festival which is celebrated by the people of Kerala. It is one of the most significant and popular festivals for Malayalam speaking Indians as well as diaspora.
Onam festivities span for almost twelve days. The main Onam day is known as Thiruvonam day and it is observed when Nakshatra Thiruvonam prevails during Madhyahna part of the day as per Hindu division of the day. Onam preparations and rituals start about ten days ahead of Thiruvonam day when Nakshatra Atham prevails during Madhyahna part of the day. The first day of Onam is popularly known as Atthachamayam day.
Post Thiruvonam day, Onam festivities continue another two days which makes Onam twelve days long event in Kerala. Onam is also the state holiday and four days holiday is declared throughout Kerala to observe Onam. The holidays begin one day before and end after two days of main Thiruvonam day. The four holidays are known as first Onam, second Onam, third Onam and fourth Onam. Hence the second Onam is the most significant day of four days holidays.