Daily Edition
noun, の adjective
The day's edition is the daily edition.
にっかん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own. The にち goes to にっ.
アヤが描いたパグのイラストが、ある日刊紙のマスコットキャラクターに選ばれました。
Aya’s illustration of the cute pug was selected as a daily newspaper’s mascot character.