毎日

毎日

Every day.

In this sentence, 毎日 (mainichi) is used as an adverb to indicate that the walking activity occurs daily.

私は毎日公園を散歩します。

I walk in the park every day.

Here, 毎日 (mainichi) is coupled with the possessive particle の to form 毎日の, turning it into a descriptor for 練習 (practice), emphasizing the daily consistency.

毎日の練習が上達への鍵です。

Practicing every day is the key to improvement.

In this context, 毎日 (mainichi) modifies the phrase 同じ時間に起きる (wake up at the same time), stressing the regularity of the action on a daily basis.

忙しいですが、毎日同じ時間に起きるようにしています。

Although I am busy, I try to wake up at the same time every day.