How can you define, limit or restrict time?
at the present time
from time to time
sooner or later
at the same time
up to the present time
to begin with
in due time
as soon as
as long as
in the meantime
in a moment
without delay
in the first place
all of a sudden
at this instant
first, second
immediately
quickly
finally
after
later
last
until
till
since
then
before
hence
since
when
once
about
next
now
formerly
suddenly
shortly
henceforth
whenever
eventually
meanwhile
further
during
in time
prior to
forthwith
straightaway
by the time
whenever
until now
now that
instantly
presently
occasionally