In addition, if this happens between lovers or lovers, it may imply that the two have deep emotional ties and tacit understanding. Even if the birthdays in the solar calendar are different, the birthdays in the lunar calendar (lunar calendar) are the same, which may imply that the feelings of two people will always maintain a mysterious and special connection like the lunar calendar and the solar calendar.
But it should be noted that this is only a possible hint and explanation, and the specific meaning should be analyzed according to the actual situation and background.