幾日も幾日も: day after day

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

regular day off (e.g. closed every Monday)

the fifteenth day of a month in the lunar calendar

Kyūjitai form of 来日 (“arrival of a foreigner in Japan”)

Kyūjitai form of 来日 (“to arrive in Japan (for a non-Japanese person)”)

Kyūjitai form of 来日 (“a later day”)

a day off drinking, a day without alcohol

newspaper holiday