Tithi in Hindu Calendar on December 17, 2011 – Krishna Paksha Sashti Tithi or the sixth day during the waning phase of moon in Hindu calendar and Panchang in all places. It is Sashti Tithi till 6:21 PM on December 16, 2011. After 6:21 PM it is Krishna Paksha Saptami or seventh day during the waning phase of moon. All time based on India Standard Time.
Nakshatra – Magha or Makam Nakshatra till 8:21 PM on December 16. Then onwards it is Purva Phalguni or Pooram Nakshatram.
Rashi or Moon Sign – Simha Rasi.
Margashirsh Krishna Paksha Sashti Tithi or the sixth day during the dark phase of moon Margashirsh month in calendars followed in Karnataka, Andhra Pradesh, Maharashtra, Gujarat and
Paush Krishna Paksha Sashti Tithi or the sixth day during the waning phase of moon in Paush month in calendars followed in Delhi, Rajasthan, Uttar Pradesh, Bihar, Jharkhand, Madhya Pradesh, Haryana, Punjab, Himachal Pradesh, Uttarakhand, Chhattisgarh, Orissa and Jammu and Kashmir.
30th day of Karthigai Masam in Tamil Calendar followed in Tamil Nadu.
30th day of day of Vrischika Masam in Malayalam Calendar in Kerala.
29th day of Agrahan month in Bengali Calendar.