In English, Tuesday is named for Tiw and Friday for Frig. Monday for the moon, Sunday for the sun, Wednesday for Woden (more commonly known by his Norse name, O

In English, Tuesday is named for Tiw and Friday for Frig. Monday for the moon, Sunday for the sun, Wednesday for Woden (more commonly known by his Norse name, Odin), and Thursday for Thunor/Thunder (Norse name: Thor). When your ancestors met mine, they decided Tiw was the equivalent of Mars, Woden of Mercury, Thunor of Jupiter, and Frig of Venus, and hence the correspondence. https://en.m.wikipedia.org/wiki/Interpretatio_graeca#Interpretatio_germanica https://en.m.wikipedia.org/wiki/Interpretatio_graeca#Interpr... Sadly, English mythology is now much less well known than Roman, so most people aren’t even aware of these etymologies.