Prediction: Flagging date 8/10/22 for President Harris announcement or swearing in.

 8/10 is the 222nd day of the year... Cleopatras needle has the date 2/22/1881 on the base. 

From and including: Wednesday, January 20, 2021

To, but not including Wednesday, August 10, 2022

Or 18 months, 3 weeks = 183 

"President Harris" = 183 (English Ordinal)

8/10 is the 222nd day of the year 

"President Kamala Harris" = 222 (English Ordinal)

"President Harris" = 222 (Reverse Ordinal)