Wedding invitations are usually written in the lunar calendar (that is, the lunar calendar), and few in the solar calendar, but in big cities, both can be written, because few people in big cities go to see the lunar calendar, and they usually look at the solar calendar.

It can be written as follows: 2011065438+1October 29th (in the year of the Geng Yin in the lunar calendar1February 29th), Wednesday.