This is the 530th most frequent Estonian word.
jaanuaris
"In January."
'Jaanuaris' here specifies the time of the action (starting the new job).
Ma alustasin uue tööga jaanuaris.
I started my new job in January.
'Jaanuaris' identifies the month during which the festivals take place.
Jaanuaris peetakse Tallinnas iga-aastaseid talvefestivale.
Annual winter festivals are held in Tallinn in January.
'Jaanuaris' is used as a temporal marker indicating the specific month when the action (being cold) occurs.