# Desktop Astro Clock — Julian, Sidereal and the Moon > Desktop clock app with Julian, Sidereal, Moon, and meteor shower displays. (iPhone/iPad app by BEHR Consulting International.) - Source: https://appshunter.io/ios/app/desktop-astro-clock/id1588806370 (this page in markdown: same URL + `.md`) - Developer: [BEHR Consulting International](https://appshunter.io/developer/385816833) - Category: Utilities, Travel - Price: Free - Rating: 3.67/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 416 MB - Languages: English - Released: 2021-10-16 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/desktop-astro-clock/id1588806370/reviews.md ## What is Desktop Astro Clock? Desktop Astro Clock (formally known as: yabc - Yet Another Bedside Clock). This is a clock app that is designed to be run at the desktop, bedside or near a star map. It will display the time without turning off until the battery percentage drops below a user specified value. There are ten predefined, and one user defined display configurations. A single tap of the moon and star icon will bring up a red tinted clock showing the local sidereal time. In settings, you can add a moon display, meteor showers display, change colors, and configure the user defined clock display. Widgets are now supported and can be configured via Widget editing. A watchOS app is now included that displays a red tinted Modified Julian date, GMT Sidereal time, Moon, Moon name, and moon age in days. No ads, ever. Lock screen widgets include rectangular (two clock values look good here) and circular (for the current moon) Features: - Time display in various fixed formats - Time display in a user defined format + color - Always on display until a user specified battery level is reached (iOS) - Moon display with moon transit details and full moon names *(4)* - Meteor Shower information (when visible) with star chart locator - Blue moons are known by the tag [blue moon] added to the full moon name and a blue tint to the full moon image - Super moons are known by the tag [super] added to the full moon name Clock Times: - GMT - Greenwich Mean Time - GMST - Greenwich Mean Sidereal Time - Julian Date - Seconds since noon 1st January 4713 B.C. - LMST - Local Mean Sidereal Time *(3)* - Modified Julian Date - Julian Date - 2400000.5 Predefined displays: - Desk Clock - Day, Time, Date - ISO 8901 - yyyy-mm-ssThh:mm:ss+tz - ISO 8901 GMT - yyyy-mm-ssThh:mm:ssZ - Greenwich Mean Sidereal Time - 'HH'h 'mm's 'ss' - Julian - day.time in seconds since noon 1st January 4713 B.C. - Local Mean Sidereal Time - 'HH'h 'mm'h *(3)* - System Default - based on your iOS settings - Time HH:MM:SS, Month, Day - Time HH:MM - Time HH:MM:SS, Day, Month, Year - User Defined - you pick the format! Widgets (One or more): - Meteor Showers *(1)* - Moon - Moon with details - Moon Names *(4)* - Julian Date *(2)* - Sidereal Date *(2)* - User Defined Clock *(2)* WatchOS App: - Black background, Red tint, brightness adjustable with crown, shows Mofidied Julian Date, GMT Sideral Time, Moon face, Moon name, and Moon age *(3)* *(4)* - Corner complication shows Moon, Modified Julian and Local Sidereal time Lock screen Widgets: - Rectangular for clock values (i.e.: Julian date and Sidereal time) - Circular for the current moon *(1) If no Meteor shower is in progress, just an image is shown* *(2) Widgets do not support real time non-system clocks well. Updates will typically be between 15-60 minutes* *(3) If you select Local Sidereal Mean Time display, you'll also need to enable the setting to allow access to your location information (only needs your longitude for the calculations). Default will be Greenwich England* *(4) If you select Moon names, you'll also need to enable the settings to allow access to your location information (only need to check latitude > 0 for Northeren/Southeren hemishpere). Default will be at the equator* ## Key features - Multiple time formats (Julian, Sidereal, GMT) - Always-on display with battery threshold - Moon phase and meteor shower information - Customizable display configurations - Widget support - WatchOS app with specialized displays ## Frequently asked questions about Desktop Astro Clock ### What time formats does Desktop Astro Clock display? Desktop Astro Clock displays time in GMT, GMST, Julian Date, LMST, and Modified Julian Date. It also offers system default and user-defined formats. ### Does Desktop Astro Clock have an always-on display feature? Yes, Desktop Astro Clock offers an always-on display on iOS until the battery percentage drops below a user-specified value. This feature is designed for continuous viewing. ### Can I see moon information with Desktop Astro Clock? Yes, Desktop Astro Clock includes a moon display with details like moon transit and full moon names. It also tags blue moons and super moons. ### Does Desktop Astro Clock show meteor shower information? Yes, Desktop Astro Clock provides meteor shower information when visible, along with a star chart locator. If no shower is in progress, it displays an image. ### Is Desktop Astro Clock available on multiple devices? Desktop Astro Clock is available on watch, iPhone, and iPad, offering a consistent experience across Apple devices. ### How often is Desktop Astro Clock updated? The app was last updated on May 30, 2024, indicating active development and support. Widgets typically update between 15-60 minutes. ### Does Desktop Astro Clock have ads? No, Desktop Astro Clock is completely ad-free, ensuring an uninterrupted user experience. ### What is the user rating for Desktop Astro Clock? Desktop Astro Clock has a rating of 3.7 stars from 3 ratings, providing a general indication of user satisfaction. ## Version history (last 5 releases) ### 1.4 — 2024-05-30 Added Date Override in settings to change the date Added Sky star maps for Meteor showers Added Supermoons Clean up light/dark mode views in Settings and Info Fixed some locations where YABC was still displayed Fixed some spelling errors Update for iOS 17 widgets (.containerBackground) Update meteor display to a scrollable list and full screen star chart with pan and zoom Updated meteor shower table through 2025-05-01 ### 1.2.1 — 2024-05-12 Updated meteor showers through 2025-04-22 New name: Desktop Astro Clock ### 1.2 — 2023-08-08 Fixed color bug in User Defined Clock. Added Lock Screen Widgets (requires iOS 16). Added watch app. Updated Meteor Showers. ### 1.1 — 2022-06-22 - Blue Moons - Far side of the moon (easter egg) - Full Moon Names - Northern and Southern hemisphere versions (+setting) - Add meteor shower information if one or more are currently visable (+setting) - User definied clocks can now select any color ### 1.0 — 2021-10-16 No release notes. ## Apps similar to Desktop Astro Clock | App | Rating | Price | Category | | --- | --- | --- | --- | | [Momentous Clock](https://appshunter.io/ios/app/momentous-clock/id1608715857) | 5.0 (2) | Free | Utilities | | [LSTclock: sidereal time clock](https://appshunter.io/ios/app/lstclock-sidereal-time-clock/id1510148631) | 3.8 (10) | Free | Utilities | | [PlainClock](https://appshunter.io/ios/app/plainclock/id6474900735) | 4.0 (5) | Free | Utilities | | [FlipClock: Always On Display](https://appshunter.io/ios/app/flipclock-always-on-display/id1644868209) | 5.0 (1) | Free | Utilities | | [Minimum Clock](https://appshunter.io/ios/app/minimum-clock/id1543594398) | 4.3 (3) | Free | Utilities | | [SFClock](https://appshunter.io/ios/app/sfclock/id1627863783) | 4.5 (4) | Free | Utilities | ## More apps by BEHR Consulting International - [WINSystemInfo](https://appshunter.io/ios/app/winsysteminfo/id531171539) - [HorseRacePicks](https://appshunter.io/ios/app/horseracepicks/id898610089) - [DNS Mail Info](https://appshunter.io/ios/app/dns-mail-info/id6484502460) All apps by BEHR Consulting International: https://appshunter.io/developer/385816833 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*