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Now

Now refers to the present moment—the point or brief interval in time experienced as this moment, separating the past from the future. It is a fundamental reference in everyday timekeeping, planning, and perception, and it is understood relative to the observer’s experience and clock.

In philosophy, now is a subject of debate. Presentism holds that only present events and objects exist,

Psychological and cognitive science perspectives describe now as a construct produced by the brain. Time perception

Etymologically, now comes from Old English nu, with roots in Proto-Germanic languages, and remains a common

while
eternalism
argues
that
past,
present,
and
future
are
real.
In
physics,
the
concept
of
a
universal
present
is
challenged
by
the
theory
of
relativity,
which
shows
that
simultaneity
is
relative
to
observers
in
different
frames
of
reference,
complicating
a
single
objective
“now.”
is
influenced
by
attention,
expectations,
emotion,
and
context,
causing
the
felt
duration
of
the
present
to
vary.
Practices
such
as
mindfulness
emphasize
focusing
awareness
on
the
immediate
experience
of
the
moment,
whereas
memory
and
prediction
continually
shape
how
we
experience
now.
adverb
signaling
immediacy
or
a
temporal
point
in
discourse.
In
culture,
the
term
now
appears
across
literature,
music,
and
media
as
a
motif
of
immediacy,
change,
or
action,
and
it
is
used
as
a
title
or
branding
element
for
various
publications
and
programs,
reflecting
its
association
with
current
events
and
the
present
moment.