LibreOffice 25.2 Help
Barri galfata guyyaa keessaa yeroo baay'ee akka dijiitii lamaatti galchama.Keessatti,barri akka dijiitii afuriitti taliigama, kanaafuu shallaggii garaagarummaa 1/1/99 irraa gara 1/1/01 keessatti bu'aan sirrii waggaa lama dha.
Under LibreOffice - PreferencesTools - Options - LibreOffice - General you can define the century that is used when you enter a year with only two digits. The default is 1930 to 2029.
This means that if you enter a date of "1/1/30" or higher, it will be treated internally as 1930-01-01 or higher. All lower two-digit years apply to the 20xx century. So, for example, "1/1/20" is converted into 2020-01-01.