However, you could consider these Maori phrases that convey similar sentiments:
* Kia ora te ao - "Live well in the world"
* Kia kaha - "Be strong" (could be interpreted as "be courageous" or "live fully")
* E kore e ngaro te ngakau nui - "A great heart will not perish" (emphasizing perseverance and living with passion)
* Ka kite koe i te ao - "You will see the world" (suggests experiencing life fully)
* Tena koa, kia pai te ra - "Please, have a good day" (a more direct translation of "have a good day")
Ultimately, the best way to convey the meaning of "carpe diem" in Maori would depend on the specific context and the nuance you want to express.