other days, other ways
on the contrary
bygones
retrospection
time out of mind
time immemorial
retrospect
bad old days
in retrospect
now
quite the contrary
archaistic
behind
impossibly
one day
ghost from one's past
unhistory
apperceive
historical
reminisce
longheaded
misremembrance
ain't what it used to was
creeping determinism
lethe
old time
nostophobia
long ago
good old days
lost in time
hindsightism
yesterday
retrovision
nostalgically
ass-backwards
look back
might
passéist
ex post facto
retroactive
retro
against the grain
forgetfulness
pastlessness
anthropism
rake over
who would have thunk it
other
whoosh
grandfather paradox