Vaikasi Visakam 2015 is an auspicious day in Tamil culture and is believed to be the day when Lord Muruga, or Kartikeya, made his divine presence felt on earth. In 2015, the date of Vaikasi Visakam festival is June 1. Lord Muruga is the son of Lord Shiva and Goddess Parvati and is widely worshipped in South India,
Malaysia, Singapore, and and in other places having Tamil population. Sri Lanka
The birthday of Lord Muruga falls on the Vishakam Nakshatram in Vaigasi month. On the day, devotees visit shrines dedicated Lord Muruga and perform ‘pal abhishekam’ – bathing the deity in milk. Some devotees also take Kavadi to Muruga Temples.
You can find more details about Vaikasi Vishakam in this article.