Tevbe-i istiğfar duası

time for repentance; It starts after the sin in the coming days to continue to stay connected at any time and signs of death appears, it ends. So, as the last frontier of repentance; living the end of hope, the appearance of the signs of death and the person is living his last moments.
  Repentance with man freed from sin and that sin and imperfection that would have made pristine as if no processing. Every human being is in need of repentance is an indisputable fact.