A reminder of time passing. Perhaps associated with things that have happened in the past, or to happen in the future. So a reminder of important times or dates.
This also links with a need or urge to plan things. Because of this it might point to agreements you are making with other people, and whether you have or are going to keep the agreement.
Occasionally it might deal with prediction of what you intuitively sense is coming into your, or somebody else’s life. Of course this prediction might be an expression of wish fulfilment or even anxiety, so take care in deciding what it is you are feeling.
Useful Questions and Hints:
What is this dream reminding me of or pointing out to me?
Am I looking ahead here, and if so what is suggested will or should happen?
Is there something here I need to take care of or plan for?