Patna, ancient Pataliputra and Bihar's capital, is home to the Mahavir Mandir (Bihar's most visited temple), the Har Mandir Takht Patna Sahib (one of the five Sikh Takhts), and the famed Chhath Puja — Bihar's most important festival, timed precisely to sunrise and sunset. Patna at 85.1°E has a sunrise 32 minutes earlier than Delhi, making it one of India's early-sunrise mainland cities.
Astronomically precise Rahu Kaal timings for 25 major Indian cities.