Champak Chaturdashi Vrat is observed on the 14th day during the Shukla Paksha (waxing phase of moon in Jyeshta month (May – June). Champak Chaturdashi is dedicated to Lord Shiva and it is believed that observing the Vrata will help in curing lung related problems. This belief is more popular in Bengal and eastern parts of India
Champak Chaturdasi is observed the day before Jyestha Purnima – full moon day in Jyeshta month. A clay idol of Shiva is created and the deity is offered champak flowers and other usual items related to Shiva puja.