If you set the language to English in OWA Light, the abbreviation sequence is displayed as follows:
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
If you set the language to Basque in OWA Light, the sequence is displayed as follows:
A R Z G O L I
However, the following mapping applies:
Monday = Astelehena: A Tuesday = Asteartea: R Wednesday = Asteazkena: Z Thursday = Osteguna: G Friday = Ostirala: O Saturday = Larunbata: L Sunday = Igandea: I
I A R Z G O L