The Maha Kumbh Mela is held every three years in each of four different locations, returning to each of four places every twelve years. An Ardh (half) Mela (festival) takes place six years after the Maha Kumbh in each location.
In 2010, March-April, Maha Kumbh Mela will be held at Haridwar in the foothills of the Himalayas. Main bathing date: April 14.
In 2013, Maha Kumbh Mela will be held in Allahabad (Prayag), Jan. 27 to Feb. 25. Main bathing date: Feb. 10.
Hardwar (Haridwar) – when Jupiter is in Aquarius and the Sun is in Aries during the Hindu month of Caitra (March-April); 1986, 1998, 2010, 2021-2022.
Allahabad (Prayag) – when Jupiter is in Aries or Taurus and the Sun and Moon are in Capricorn during the Hindu month of Magha (January-February); 1989, 2001, 2012, 2024.
Nasik – when Jupiter and the Sun are in Leo in the Hindu month of Bhadrapada (August-September); 1980, 1992, 2003, 2015.
Ujjain – when Jupiter is in Leo and the Sun is in Aries, or when Jupiter, the Sun, and the Moon are in Libra during the Hindu month of Vaisakha (April-May); 1980, 1992, 2004, 2016.