I don't see any Scandinavian here, so I add the Swedish.
[flag=]en[/flag] the day before yesterday | the day after tomorrow
[flag=]de[/flag] vorgestern
(before yesterday) | übermorgen
(over/across tomorrow)[flag=]nl[/flag] eergisteren
("ereyester") | overmorgen
("overmorrow")[flag=]sv[/flag] i förrgår
("in former-yesterday") | i övermorgon
( "in overmorrow")[flag=]ca[/flag] abans-d'ahir /demà passat
[flag=]es[/flag] antes de ayer (o anteayer)
(before yesterday) / pasado mañana
(past tomorrow)[flag=]fr[/flag] avant-hier
(before yesterday) | après-demain
after tomorrow[flag=]it[/flag] ieri l'altro
(yesterday the other), l'altro ieri
(the other yesterday), avantieri
(ahead yesterday) | domani l'altro
(tomorrow the other), dopodomani
(after tomorrow)[flag=]la[/flag] nudius tertius (
three days ago) / perendie (
on the day after tomorrow)
[flag=]lij[/flag] (a)vantêi
(before yesterday) | dòppo domàn
(after tomorrow)[flag=]rm[/flag] stersas | puschmaun
("postmorn")[flag=]ro[/flag] alaltăieri (
the other yesterday)| poimâine
("postmorn")[flag=]cy[/flag] echdoe
(ex-yesterday) | trennydd
(trans-tomorrow)[flag=]ga[/flag] [Munster] arú inné
(arú [no direct translation] + yesterday) | arú amáireach
(arú + tomorrow)[flag=]pl[/flag] przedwczoraj/pozawczoraj | pojutrze
[flag=]hsb[/flag] předwčerawšim
(before yesterday) = zawčerawšim
(beyond yesterday) | zajutřišim
(beyond tomorrow) [flag=]cs[/flag] předevčírem (před + včera) , pozítří (po + zítra)
[flag=]lv[/flag] aizvakar
(beyond yesterday) | parīt
(over/through tomorrow) [flag=]lt[/flag] užvakar
(beyond yesterday) | poryt
(over/through tomorrow) [flag=]el[/flag]
προχθές [proˈxθes] (pre-yesterday) |
μεθαύριο [meˈθavrio] (after-tomorrow)
[flag=]fi[/flag] toissa päivä
(other day ) | ylihuominen
(beyond/over tomorrow)[flag=]et[/flag] üleeile
(beyond/over yesterday) | ülehomme
(beyond/over tomorrow)[flag=]vro[/flag] üle-eeläq
(beyond/over yesterday) | ülehummõn'
(beyond/over tomorrow)[flag=]kv-kpv[/flag] войдöрлун
(before day) | аскомысь
(tomorrow + elative suffix ) [flag=]mhr[/flag] ончыгече
(previous day ) | кумышто
('three' + inessive suffix)[flag=]myv[/flag] исен чиде икеле
(from yesterday [ablative] before) | вандыде мейле
(from tomorrow [ablative] after)[flag=]mdf[/flag] колмочесь
(the third ) | вандыда меле
(from tomorrow [ablative] after)[flag=]hmn[/flag]
(Daw) hnub hmos
'day' + "hmos" (no direct translation) | nag kis
(no direct translation) [flag=]hmn[/flag]
(Njua) nub nug
'day' + "hmos" (no direct translation) | naag kis
(no direct translation)[flag=]ja[/flag] 一昨日|明後日
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ototoi | asatte
[flag=]ko[/flag] 그저께
(at-that-time) | (내일) 모레
([tomorrow] ?)[ownflag=]http://www.crwflags.com/fotw/images/x/xa-osage.gif[/ownflag] sitǫ́į kootáha ce
(yesterday farther-back last) | kaasį́ kootáha ce
(tomorrow farther-back last)