January    ukwēzi kwa mbere, Nzero
En-En dictionary 
Nzero    n    January, name of moon
month    ukwēzi
(January) ukwezi kwa mbere, Nzero
(February) ukwezi kwa kabiri, Nyamagoma, Ruhuhuma
(March) ukwezi kwa gatatu, Ntwarante
(April) ukwezi kwa kane, Ndamukiza, Kabozambuba
(May) ukwezi kwa gatanu, Rusama
(June) ukwezi kwa gatandatu, Rwirabura, Kiyumpu
(July) ukwezi kwa ndwi, Mukakaro
(August) ukwezi kwa munani, Myandagaro
(September) ukwezi kwa cenda, Nyakanga
(October) ukwezi kwa cumi, Gitugutu
(November) ukwezi kwa cumi na rimwe, Munyonyo
(December) ukwezi kwa cumi na kabiri, Kigarama
En-En dictionary 
 january found in: Kirundi I (Study lessons)
lesson 62   Months, Days of the Week, Telling Time