Apps like Doomsday Clock

Here are some great alternatives to Doomsday Clock by Aethervex :

Doomsday Algorithm Trainer

Doomsday Algorithm Trainer

The Byzantine Timepiece

The Byzantine Timepiece

Daylight Clock: Sunrise/Sunset

Daylight Clock: Sunrise/Sunset

TAI Clock and Converter

TAI Clock and Converter

New Year Countdown 2026

New Year Countdown 2026

Smart Clock, Digital Clock LED

Smart Clock, Digital Clock LED

AstroClocks

Huge Digital Clock Widget

Huge Digital Clock Widget

Clock - Alarm Clock & Timer

Clock - Alarm Clock & Timer

Ancient Clock Widget

Ancient Clock Widget

Nixie Tube Clock Widget - Pro

Nixie Tube Clock Widget - Pro

World Clock - Global Clock

World Clock - Global Clock

Simple Alarm Clock

Simple Alarm Clock

The Clock: Alarm Clock & Timer

The Clock: Alarm Clock & Timer

Digital Clock : Bed/Desk Clock

Digital Clock : Bed/Desk Clock

Digital Clock: Alarm Clock App

Digital Clock: Alarm Clock App