Surya Jayanti is a festival dedicated to Lord Surya, the Sun God in Hinduism. Surya Jayanthi 2025 date is February 4. The ritual and festival is popularly known as Ratha Saptami. It is observed on the seventh day or Saptami of the Shukla Paksha (waxing phase of moon) of the month of Magh (January – February) in a traditional Hindu calendar. The corresponding Tamil Month is Thai.
Saptami, or seventh day, in a fortnight in a Hindu lunar calendar is usually dedicated to Lord Surya. Bhanu Saptami is another similar festival observed during different periods in a year.
Surya Jayanti is believed to be the day when Lord Surya first appeared. The day is also observed as Magha Saptami. It is a major ritual in South India for certain Hindu communities in Andhra Pradesh and Tamil Nadu.
Tirumala Tirupati Balaji temple conducts special pujas and rituals on the day.
Prayers dedicated to Lord Surya like the Aditya Hridayam is chanted on the day.