you really do not seem to understand that the world is not English, right?
Also you need to learn facts first: Tammuz was NOT the Sumerian god of the sun -- that was UTU
Next, the ENGLISH words for the week: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday - are firstly, ONLY IN ENGLISH and secondly, these aren't Roman gods except for Saturday (Saturn) - those are named after the Sun, moon, Tew , Woden (Oden), Thor, Frigga - Anglo-Saxon gods (who incidentally are very well written in pagan soruces and there is zero, nada, zilch, nothing about any anglo-saxon goddess "eostre" - ergo there was no such goddess/sprite/demi-deity.
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And, do you know what the days of the week are in other langauges?
Sheesh, you think that because the English, a late language uses some words, that it is some sign?
1Co 15:20 But now Christ is risen from the dead, and has become the firstfruits of those who have fallen asleep.