Step 1: Download your favorite Font Clock
Step 2: Install Misaka (https://straight-tamago.github.io/misaka/Misaka)
https://straight-tamago.github.io/misaka/Misaka
Step 3: Install Font Manager from EPOSbox
https://straight-tamago.github.io/misaka/?repo=https://raw.githubusercontent.com/EPOS05/EPOSbox/main/misaka.json&tweak=com.epos.fontmanager
Step 4 Hold and tap Advanced Setting, at CLOCK FONT, import Font file downloaded in Step 1 at iOS 16・ADTTime.ttc (if iOS 16) or iOS 15・SFUISoft.ttc (if iOS 15)
Step 5: Apply then Respring (Should be Restart Frontboard)
You also can your different Tools that support Font OverWrite for MDC or KFD such as: Cowabunga (MDC); WDBFont (MDC); KFDFont (KFD);...
Thank you EPOS and Tyler for a amazing tweak 🥳
