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The full Maori name for Rotorua is "Te Rotorua-nui-a-Kahumatamomoe".
Rotorua's full name is: Te Rotorua-nui-a-Kahumatamomoe, meaning "The second great lake of Kahumatamomoe"
Te Rotorua Nui A Kahumatamomoe is the Maori name for Lake Rotorua.
The English name for Rotorua remains the same - "Rotorua". It is a city located in New Zealand on the North Island.
Maori name is Te Rotorua-nui-a-Kahumatamomoe, which means: "The second great lake of Kahumatamomoe".
The full name of Rotorua is Te Rotorua Nui a Kahumatamomoe which means 'the second great lake of Kahumatamomoe' as it was the second lake named by Maori explorer, Kahumatamomoe.
Awakeri Springs lie about 16 km southwest of whakatane on state highway 30 between Whakatane and Rotorua (Rotorua is south of whakatane so it can't be near whakatane and south of Rotorua).
Rotorua is named after the Māori words "roto" meaning lake and "rua" meaning two, reflecting the city's location on the shore of Lake Rotorua, with another nearby lake, Lake Rotoiti. The name signifies the significance of the region's geothermal activity and natural beauty.
Blue Lake (Tikitapu)
Blue Lake (Tikitapu) or Green Lake (Rotokakahi) near Rotorua.
The most commonly known lakes named after colours are the Blue and Green lakes in Rotorua. There are also 3 other lesser known blue lakes in Canterbury, Otago, and Tasman. The blue lake in Rotorua is also known as Lake Tikitapu.
I don't think that date has a special name. Perhaps a specific religion or denomination gives it a special name, but such a name would not be universally recognized.