This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.
Julian Clock by Adam Allard

198+ iOS apps curated and reviewed
Every iPhone needs a few good julian clock apps. We benchmark 198+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.



View various Julian Calendar dates, including short, long, and reduced Julian Dates. Supports Lock Screen and Home Screen widgets for easy access to date conversions and calculations.




This app provides a quick and efficient way to view and convert between 11 different types of dates, including standard Julian dates, Mars Sol dates, and Unix time. It features a calendar for easy navigation and allows copying dates to the clipboard. The current date can be displayed on the app icon and Apple Watch complications.


This app transforms your device into a stylish LED bedside clock with customizable skins and dynamic time displays. It offers alarm functionality, voice time broadcasts, and a countdown timer, perfect for your desk or nightstand.


This app offers a stylish and functional digital clock with advanced alarm and timer features. Customize its appearance, set flexible alarms with unique dismissal methods, and utilize versatile timers for workouts or productivity.


This app displays the time with a minimalistic design, utilizing the full screen. It offers extensive customization for time format, including 12/24 hour, leading zeros, and seconds precision. Screen brightness can be adjusted by swiping, and screen dimming can be prevented.


This app displays a customizable analog clock on your entire screen. Personalize background and theme colors, and choose between numbers or Roman numerals for the dial. A premium plan unlocks all designs and advanced customization options.


This mobile time clock app allows employees to clock in and out, track activities, and record GPS locations. It captures field notes and photos, syncing data to the cloud for labor expense management and payroll simplification. The app offers features like PIN code clock-in, crew clock-in, and biometric verification.


Experience highly detailed mechanical watch faces with advanced astronomical and clock complications. Track celestial events, manage time with precision, and explore historical and future dates with interactive displays. Optimized for iPhone and iPod touch.


Transform your device into a customizable nightstand clock with multiple alarms, adjustable themes, and a handy flashlight. Enjoy features like vibration alarms, snooze options, and various display formats.


Transform your device into a stylish flip clock that doubles as a productivity tool. Enhance your workspace with aesthetic widgets and utilize the integrated focus timer for improved concentration during study or work sessions.


Transform your device into a stylish digital clock and calendar. It offers a clean, minimal display perfect for any room, with features like international holidays and weather forecasts. Enhance your daily visibility and convenience with this multifunctional utility.


Transform your device into a large, customizable digital clock. Features include a massive display, spoken time announcements, and a dimmable nightstand mode. Perfect for desks, bedside tables, or any space needing a clear, stylish timepiece.


This bedside clock app features large, easy-to-read digits and simple alarm controls. Customize your experience with various themes and wake-up sounds.


This utility app displays local sidereal time for registered locations on iOS, iPadOS, and watchOS. It can also calculate sidereal time and Julian Date for any date and time, and sync locations between devices.


This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.


This app offers a variety of clock styles including flip, digital, and analog. It features customizable alarms with music options, a world clock for multiple locations, and several user-friendly controls for brightness, touch lock, and flashlight activation.


This app displays a large, customizable digital clock on your entire screen. Adjust background and text colors, font, and time format. Enjoy an ad-free viewing experience while the clock is active.


This app helps you stay connected with people worldwide by providing accurate time zone information, multiple calendar systems, and details on global holidays and working days. Track time, sunrise/sunset, moon phases, and celestial events across different regions.


This app helps you manage your time across devices. It offers features like a world clock for global time zones, customizable alarms with music options, a stopwatch for measuring durations, and timers for countdowns.