(the eleventh hour) the latest possible time
I feel, now, like a man who has redeemed a failing reputation … by a single just deed done at the eleventh hour — Mark Twain
as long as they don't make any eleventh-hour alterations
eleventh-hour adj
from the parable of the vineyard (Matthew 20:1–16). Labourers hired at the eleventh hour of the working day were paid the same as those who started earlier