Timing DOES end on the last moon tick, he just didn't stop his timer there. You can see that it was retimed to end the time on moon tick.

Go to the SMO speedrunning discord. There are channels for the BTT. you can also find the sheet here (https://docs.google.com/spreadsheets/d/1cwB7H0kn9gMwo9Wx7DgzaZKMY-BQlifWT8poQz8HudE/edit#gid=1989993514)