pujas and observances

What is a Pradosh vrat puja and on which days is it observed?

Pradosh vrat is a Hindu observance dedicated to Shiva and Parvati, kept on the thirteenth day of each lunar fortnight. The central act is worship at twilight, the short window just after sunset.

When it falls

The Hindu lunar calendar has two fortnights each month. The thirteenth day of each fortnight is called Trayodashi. Pradosh vrat falls on both of these days, so most months have two Pradosh days. The word pradosh refers to the twilight period, roughly the first hour and a half after sunset. That window is the heart of the observance.

What the puja involves

Worship is offered to Shiva and Parvati together during the twilight hour. Many devotees fast through the day and break it only after the evening puja is done. The puja typically includes bathing the Shiva linga, offering flowers and bilva leaves, lighting lamps, and chanting. The Puranic tradition, particularly the Skanda Purana, gives this observance great importance and describes the spiritual merit of keeping it.

Special Pradosh days

When Trayodashi falls on a Monday, it is called Soma Pradosh. Monday is already linked to Shiva in the tradition, so this combination is seen as especially powerful. When it falls on a Saturday, it is called Shani Pradosh, and that too is considered particularly significant. Some devotees observe every Pradosh, while others focus mainly on these two.

Why twilight

Twilight holds a special place in Hindu thought. It sits between day and night, a threshold moment. The tradition sees it as a time when the boundary between the everyday world and the divine is thinner. Worshipping Shiva at this in-between hour is seen as especially fitting, since Shiva himself is associated with what lies beyond ordinary time and form.

How people observe it today

Practice varies by region and family. Some people do a full fast and a detailed puja at a temple. Others keep a partial fast and do simple worship at home. In communities far from India, many observe it quietly at a home shrine during the twilight hour, using the lunar calendar to find the right day. The core of the observance, twilight worship of Shiva and Parvati on Trayodashi, stays the same across these variations.

How we write. We describe what the tradition holds, drawing on its texts and customs in general terms. We do not give religious, medical, or dietary advice, and we note plainly where there is no scientific evidence. Reviewed for accuracy by our editorial team.