the ninth day of the month / nine days

the seventh day of the month / seven days

the eighth day of the month / eight days

sun / daytime, daylight / day

engagement, a promise to marry

Short for 日曜日 (nichiyōbi): Sunday

ordinal day of a month / number of days

sun / day

the sun / sunlight, sunshine / daytime, daylight / a day / time and date / a daily (something done everyday) / the weather / a (usually unfortunate) case, event, situation

daytimes / number of days