New Delhi is the capital of India and an administrative district of NCT Delhi. New Delhi is also the seat of all three branches of the government of India, hosting the Rashtrapati Bhavan, Parliament House, and the Supreme Court of India. Delhi itself is often considered as a hub for international trade. Delhi and New Delhi are used interchangeably to refer to the National Capital Territory of Delhi (NCT), these are two distinct entities, with New Delhi forming a small part of the city of Delhi. The National Capital Region is a much larger entity comprising the entire NCT along with adjoining districts in neighboring states. As a significant economic, transport, and cultural center, as well as the political center of India, Delhi is of great historical significance.
The climate of New Delhi is a hot semi-arid climate bordering on a dry-winter humid subtropical climate with high variation between summer and winter in terms of both temperature and rainfall. The area's version of a humid subtropical climate is noticeably different from many other cities with this climate classification in that it features long and very hot summers with dust storms, relatively dry and mild winters with wildfire haze, and a monsoonal period. Summers are long, extending from early April to October, with the monsoon season occurring in the middle of the summer. Winter starts in November and peaks in January.
Religious festivals celebrated in New Delhi include Diwali (the festival of lights), Maha Shivaratri, Teej, Durga Puja, Mahavir Jayanti, Guru Nanak Jayanti, Holi, Lohri, Eid ul-Fitr, Eid ul-Adha, Easter, Raksha Bandhan, and Christmas. The Qutub Festival is a cultural event during which performances of musicians and dancers from all over India are showcased at night, with the Qutub Minar as the chosen backdrop of the event.Other events such as Kite Flying Festival, International Mango Festival and Vasant Panchami (the Spring Festival) are held every year in Delhi.