Born on1August 26th, 990, on the seventh day of the lunar calendar, the birthday is the same day.

Birthday is Valentine's Day in China.

Because:

1. Generally speaking, the meaning of a birthday should be to remember the weather, people and other environment at that time. The solar term deviation of the solar calendar is not as accurate as that of the lunar calendar, so the birthday should be based on the lunar calendar.

Of course, there are also individuals who celebrate the solar calendar. That's understandable. Do you respect personal wishes and local customs?