[Kamen Rider Ultra]

According to the rumor, ZI-O will use 24 different clock faces which will represent the past rider's timeline and powers and these are:

01am - Kuuga
02am - Agito
03am - Ryuki
04am - Faiz
05am - Blade
06am - Hibiki
07am - Kabuto
08am - Den-O
09am - Kiva
10am - Decade
11am - Rider #1
12am - V3
01pm - W
02pm - OOO
03pm - Fourze
04pm - Wizard
05pm - Gaim
06pm - Drive
07pm - Ghost
08pm - Ex-Aid
09pm - Build
10pm - Zi-O
11pm - BLACK
12pm - BLACK RX

Take note, this is just a rumor and must be taken with a grain of salt as everything will be revealed in the August issues of Televi-Kun and Televi Magazine.
Source
http://www.jefusion.com/2018/07/kame...ed-to.html?m=1