What is a "Names day"?
A names day is a tradition in some countries in Europe and Latin America
that consists of celebrating a day of the year that is associated with one's given name.

The celebration is similar to a birthday.

Day before yesterday : Ülla, Ülle, Ülli, Ülve, Ülvi
Yesterday : Ardi, Hardi, Hardo, Kardo, Meinhard, Meino

Today : Aavo, Auvo, Avo

Tomorrow : Häli, Hela, Heli, Helin, Helina, Helis
Day after tomorrow : Lehar, Leho, Lehto