Monday,It gets its name from the Moon,which in turn gets its name from Mani (Old English Mona),the Germanic Moon god.（月亮神）
Tuesday is the second day of the week following Monday.The name comes from Middle English Twisday,from Old English Tiwes dæg,named after the Nordic god Tyr,who was the equivalent of the Roman war god Mars（火星,战神）.
wednesday.The name comes from the Middle English Wednes dei,which is from Old English Wodnes dæg,meaning the day of the Germanic god Woden (Wodan) who was a god of the Anglo-Saxons in England until about the 7th century.Wodnes dæg is like the Old Norse Oðinsdagr ("Odin's day"),which is an early translation of the Latin dies Mercurii ("Mercury's day").（水星）
Thursday.The contemporary name comes from the Old English Þunresdæg (with loss of -n-,first in northern dialects,from influence of Old Norse Þorsdagr),meaning "Day of Thunor",this being a rough Germanic equivalent to the Latin Iovis Dies,"Jupiter's Day".(爱神猪皮特)
要翻译或者是其他的m我吧,剩下的懒得做了