According to ancient customs, on the first and fifteenth days of the lunar month every month, Vietnamese families often hold ceremonies to worship ancestors and family gods to pray for everyone in the family to be healthy, peaceful, lucky, and successful...
Below are ways to prepare offerings and prayers for the full moon of March according to Vietnamese Traditional Prayers - Culture and Information Publishing House.

Preparing offerings
The worshiping ceremony on the full moon day (Vong festival) is usually a vegetarian ceremony. In addition to the vegetarian ceremony, families can also offer a savory ceremony on this day including: wine, boiled chicken, and savory dishes.
Preparing offerings on the 15th day of the 3rd lunar month is mainly sincere worship, offerings can be simple and include:
- 1 jar of wine.
- 1 vase of fresh flowers.
- 1 plate of fresh fruit.
- 1 glass of water.
Betel, areca.
- Gold money.
Prayer text
Nam mô A Di Đà Phật! (3 times)
I bow to the Nine Heavens, the Ten Directions of Buddhas, the Ten Directions of Buddhas
Respectfully praying to the Emperor, Heaven, Earth, and all venerable gods.
I respectfully bow to Lord Dong Tru Tu Menh Tao Phu Than Quan
I respectfully bow to Lord Ban Gia Tho Dia Long Mach.
I respectfully bow to the Five Directions, Five Earths, Good Deeds, and Righteous Gods.
I respectfully bow to your predecessor, landlord, and God of Wealth.
I respectfully bow to the Gods who govern this land.
Today is the full moon day of the third lunar month of the Binh Ngo year
My trustee is...
Living in... together with the whole family sincerely preparing incense, flowers, offerings, and honey and green tea, burning incense sticks to offer before the altar.
We sincerely respectfully invite: Sir Kim Nien duong cai Thai Tue chi duc Ton than, Sir Ban canh Thanh hoang Chu vi Dai Vuong, Sir Dong tru Tu menh Tao phu Than quan, Sir Ban gia Tho dia, Long Mach Ton than, sirs Ngu Phuong, Ngu Tho, Phuc duc chinh than, the gods ruling in this area.
I humbly ask you to hear the invitation to pity the believers and bring them down before the court, witness their sincerity, enjoy offerings, and bless us believers so that our whole family is peaceful, work is smooth, everyone is safe, fortune and wealth increase, morality is expanded, prayers are answered, wishes are fulfilled.
We offer a sincere and humble offering, before the altar, respectfully offering, and bow to ask for blessings and protection.
Nam mô A Di Đà Phật! (3 times).