"African" is not a language. Africa is a continent that contains 54 countries and more than 2100 completely different languages. Some estimates place the number of languages at around 3000.
If you have any quesitons about African languages, you will have to specify the language.
The most prominent languages spoken in Africa are:
Afrikaans
Amharic
Arabic
English
French
Fula
Hausa
Igbo
Oroma
Somali
Swahili
Yoruba
Zulu
You say "Happy new year" in Yoruba language of the Western African origin as "Eku odun tuntun".
happy new year
happy new year
Naba barsara subhakamana
Happy New Year in finnish is Onnellista uutta vuotta.
Happy new year and the best wishes for you
Happy New Year
'Un an nou fericit'The Romanian equivalent of "Happy New Year" is "Un an nou fericit."
Happy new year
happy new year
Happy New Year!
happy new year