When you look up this statement, meta’s response is pretty good “Sunsets and sunrises symbolize the power of daily renewal, offering a, "fiery kiss to the night" or a promise of a new, blank page. They represent beauty, peace, and the ability to start over.”
To take this a step further, I believe that one of the gifts, that anyone who has suffered with grief and loss can gain, is newfound appreciation of these free daily reminders of the natural beauty in our world. Incorporating them into a ritual of gratitude and intentionally seeking them out can help us on our healing journeys.