Monday

male and female whales / whales in general / a fierce fish / (figuratively) a major villain, a leader of criminals (compare English shark)

(Chinese mythology) the suanni that was one of the nine sons of the dragon

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

Alternative form of 日除け

day / sun