11 May 2015 is Kalashtami. Also referred to as Kala Ashtami, Kalashtami falls on Ashtami tithi of Krishna Paksha (dark fortnight) of every Hindu month.
Kalashtami is an auspicious day for the devotees of Lord Kalabhairava (a manifestation of Lord Shiva) who observe fasting on this day.
Kalashtami of 11 May 2015 falls in Vaishakh Month as per Amavasyant calendars and in Jyeshta Month as per Purnimant (North Indian Hindi) calendars. It falls in Chithirai Masam of Tamil calendar, Meda Masam in Malayalam calendar and Boishakh Month in Bengali Panjika.
Kalashtami Vrat is mostly observed in Maharashtra, Deccan Karnataka, Marathi influenced areas of Andhra Pradesh, Gujarat, Madhya Pradesh and some parts of North India.
Generally, Kalashtami is observed on the day when Ashtami prevails in the night.
Panchang, Kalashtami Vrat – 11 May 2015
Suryodayam (Sunrise) 05:51 Suryastamaya (Sunset) 18:55
Chandrodayam (Moonrise) 25:13 Chandrastama (Moonset) 12:09
Paksha (Fortnight) Krishna Paksha
Tithi (Lunar Day) Ashtami – 27:04*
Nakshatra Shravana – 10:56
Yoga Shukla – 11:46
Karana Kaulava – 27:04*
Purnimanta Month Jyeshtha
Amavasyanta Month Vaisaakha
Shaka Samvatsara: Manmadha
Vikram Samvat Varsha: Kilaka
Rahu Kalam: 07:29 – 09:07
Gulika Kalam: 14:01 – 15:39
Yama Gandam: 10:45 – 12:23
Ravi Rashi (Sun Sign) Mesha
Chandra Rashi (Moon Sign) Makara – 22:19:17
Amrita Kalam 23:48 – 25:19*
Abhijit: 11:57 – 12:49
Time to Avoid
Varjyam Kalam 14:43 – 16:13
Durmuhurthams: 15:26 – 16:18