Karthikai Deepam or Karthikai vilakkidu is a Tamil hindu, Festival of Lights. The festival is observed in most Hindu homes and every temple of Tamil Nadu and Kerala, and falls in the month of Kārttikai (mid-November to mid-December) as per Tamil calendar. This occurs on the day when the moon is in conjunction with the constellation Karthigai (Pleiades) and pournami. This constellation appears as a group of six stars in the firmament in the shape of a pendant from the ear. In Kerala, this festival is known as Thrikkarthika.
Lines of Agal vilakkus (Clay Oil lights) are lit in each house. Karthigai is basically a celebration of lights. The lit light is viewed as a promising image. It is accepted to avoid detestable powers and introduce success and euphoria. While the lit light is essential for every Hindu custom and celebrations, it is fundamental for Karthigai. This celebration is additionally celebrated to recognize the holding amongst siblings and sisters in south India(analogous to Bhaiya-Dhuj and Raakhi). Sisters appeal to God for the flourishing and accomplishment of their siblings and light lights to check the event.
In Telugu family Kaartheeka maasam (month) is viewed as exceptionally promising. The Kartheeka month begins upon the arrival of Deepawali. From that day till the end of the month, oil lights are lit each day. On Kartheeka Pournami (full moon of Kartheeka month) oil light with 365 wicks, arranged at home, are lit in Lord Shiva sanctuaries. Aside from that, Kaartheeka puranam is perused and fasting is seen till dusk, each day for the entire month.
Festivities at Tiruvannamalai, Tamil nadu and Koneshwaram, Trincomalee
Karthigai celebration is popular in Tiruvannamalai, Tamil Nadu, and Koneshwaram, Trincomalee, Sri Lanka.The celebration is praised for three days. The principal day is called Appa Karthigai, the second Vadai Karthigai and the last day is called Thiru Karthigai, generally considered as the Karthigai day, when the principle pooja is performed. On Karthigai day, an immense fire light is lit up on the hill(in both sanctuaries), unmistakable for a few kilometers around. The fire (deepam) is called Mahadeepam. Hindu enthusiasts visit the place, to implore and make offerings to master Shiva. In 2016, because of the Maha Kumbh Mela of Ujjain Simhastha, Karthikai Deepam will hold extraordinary centrality, being commended on 12 December 2016, which being a Monday is typically credited to God Shiva, of the twelve Jyotirlinga.
08 January (Sunday) Masik Karthigai
05 February (Sunday) Masik Karthigai
04 March (Saturday) Masik Karthigai
31 March (Friday) Masik Karthigai
27 April (Thursday) Masik Karthigai
25 May (Thursday) Masik Karthigai
21 June (Wednesday) Masik Karthigai
19 July (Wednesday) Masik Karthigai
15 August (Tuesday) Masik Karthigai
11 September (Monday) Masik Karthigai
08 October (Sunday) Masik Karthigai
05 November (Sunday) Masik Karthigai
02 December (Saturday) Karthigai Deepam
30 December (Saturday) Masik Karthigai