Deciding When is the Right Time to Start a Business

In sum, the “right time” to start a business depends entirely on your own circumstances. Above all, assess where you stand on each of these areas: age, spouse/family, debt levels, the economy and your career. If it realistically appears that there are more opportunities than obstacles, that is as close to it being the right time as you can ask for.
Source: http://www.youngentrepreneur.com/blog/deciding-when-is-the-right-time-to-start-a-business/