ical ▁and ▁astronom ical ▁sign ▁of ▁the ▁planet ▁Jup iter ▁( <0xE2> <0x99> <0x83> ) ▁is ▁sometimes ▁used ▁to ▁represent ▁Th urs day . ▁ ▁Since ▁the ▁Roman ▁god ▁Jup iter ▁was ▁identified ▁with ▁Th un or ▁( N or se ▁Thor ▁in ▁northern ▁Europe ), ▁most ▁German ic ▁languages ▁name ▁the ▁day ▁after ▁this ▁god : ▁T ors dag ▁in ▁Dan ish , ▁Norwegian , ▁and ▁Swedish , ▁H ó sd ag ur / T ó rs dag ur ▁in ▁Far o ese , ▁Don ner stag ▁in ▁German ▁ ▁or ▁Don der dag ▁in ▁Dutch . ▁Finn ish ▁and ▁Northern ▁Sam i , ▁both ▁non - G erman ic ▁( U ral ic ) ▁languages , ▁uses ▁the ▁borrow ing ▁" T or st ai " ▁and ▁" D u or ast at ". ▁In ▁the ▁ext inct ▁Pol ab ian ▁S lav ic ▁language , ▁it ▁was ▁per und an , ▁Per un ▁being ▁the ▁S lav ic ▁equivalent ▁of ▁Thor . ▁ ▁There ▁are ▁a ▁number ▁of ▁modern ▁names ▁im it ating ▁the ▁naming ▁of ▁Th urs day ▁after ▁an ▁equivalent ▁of ▁" J up iter " ▁in ▁local ▁tradition . ▁ ▁In ▁most ▁of ▁the ▁languages ▁of ▁India , ▁the ▁word ▁for ▁Th urs day ▁is ▁G ur uv ā ra ▁– ▁v ā ra ▁meaning ▁day ▁and ▁G uru ▁being ▁the ▁style ▁for ▁B ṛ h asp ati , ▁g uru ▁to ▁the ▁gods ▁and ▁reg ent ▁of ▁the ▁planet ▁Jup iter . ▁In ▁S ansk rit