There are four seasons that follow those you may be familiar with.
There are twelve months, three per season.
Spring: Augur, Vojo, Formo
Summer: Ekvivalento, Civila, Ligitaj
Fall: Reduzita, Furoro, Interligita
Winter: Fino, Petitioner, Amberanto
There are three weeks per month.
Pasinte, Ceestanta, Estonteco
There are ten days per week.
Nulo, Unu, Du, Tri, Kvar, Kvin, Ses, Sep, Ok, Nau
Referring to a Date Formally: Era # / Era / Era Year / Month / Week / Day
EX: 1 Umbral 1119 Ekvivalento Passinte Tri
Referring to a Date Informally: Month / Week / Day, assumption is that you are speaking of the most recent future date if speaking in future tense and most recent past date if speaking in past tense