Aries 24 Hours tops

Taurus Until they die. Maybe not even then.

Gemini Give it 30 seconds

Cancer Years

Leo Until the end of time

Virgo Couple of months

Libra .02 seconds unless you really fucked up

Scorpio All of eternity

Sagittarius Two days

Capricorn Don't even bother apologizing

Aquarius A year

Pisces 2 months maybe