Asalha Puja, also known as Dhamma Day, is a significant Buddhist observance that commemorates the Buddha's first sermon after his enlightenment, which focuses on the Four Noble Truths and the Noble Eightfold Path. This sacred day falls on the full moon of the sixth lunar month, typically in July, and is observed by Buddhists worldwide. Customs associated with Asalha Puja include quiet contemplation, attending temple ceremonies, and engaging in community gatherings for meditation and dharma talks. Many individuals also choose to make donations to local temples or support Buddhist charities. The day emphasizes spiritual growth and collective reflection, inviting participants to deepen their understanding of Buddhist philosophy.