The dreamer that sees the eleventh hour on the clock is facing the end of something that is very important to him/her. Perhaps some work or relationships are coming to an end. Sometimes the eleventh hour could be a negative omen which shows that you tend to leave the things until the last minute and now when the clock is ticking, you have to do whatever has to be done.
Dream dictionary: eleventh hour dream meanings
To dream of the eleventh hour, signifies that time is running out for you. This may be an indication of time limit for your project. Are you approaching deadline for a project? Alternatively, it indicates a decision that needs to be made immediately by you.