It means that the situation has taken shape.
The sun and the moon rise at the same time, which is rare in China, so it was considered as an auspicious symbol of the country in ancient times.
Phoenix chimes, and Phoenix chimes with Phoenix. This is a metaphor of a couple's love for each other, which means that people get married happily.
Generally speaking, this sign means that things are going on step by step, from initial uncertainty to initial clue, and then to development. With all kinds of auspicious omen, everything will come true and have a happy ending. In other words, don't be too hasty, calmly and actively respond, haste makes waste. For reference only.