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 : Signe, Singe
Yesterday : Albert, Berta, Pärt, Pärtel

Today : Tauno, Tunne

Tomorrow : Hilma, Ilma, Ilmatar, Ilme, Ilmi
Day after tomorrow : Maime, Maimi, Maimo, Maimu