
What Time?
A downloadable tool for Windows, macOS, Linux, and Android
Introduction
What Time? is an app that you can use to share and compare your time zone with people in your group chat. It's a way to easily check their time and help with planning. Everything is encrypted and shared only with the people in the group chat.
It's tiny enough that 13 of these would fit inside a floppy disk! It's meant to run on the Delta Chat messenger which is available for iOS, Android, Windows, macOS, Linux, and even Ubuntu Touch.
You can also use it on monocles chat and Cheogram as well, but I don't test on there often.
You can find the code on Codeberg as well.
It lets you:
- Share your time zone with other people ⌚
- See everyone's time and date on one page 🗓️
- Find a good time and day to schedule something 📅
Anti-capitalist software
This is anti-capitalist software, released for free use by individuals and organizations that do not operate by capitalist principles.
Translations
- Tagalog (me)
- German (anonymous)
How to use
Make sure you have Delta Chat (iOS, Android, Windows, Linux), monocles chat (Android), or Cheogram (Android) installed. Simply send the file to your group, and that's basically it!
Anyone in the group chat are able to use the app. They can see and optionally share their time zone with the group. It works offline, so you don't have to be connected to the internet whenever you take a look at it. It's able to sync automatically when your device is connected.
And the data is encrypted (this is guaranteed in Delta Chat, but you have to make sure the group chat is encrypted on monocles and Cheogram) and only you and the people in the group are able to see the data! Additionally, the data is stored on people's devices and not in the cloud so the chance of things leaking is much lower.
| Updated | 1 day ago |
| Status | In development |
| Category | Tool |
| Platforms | Windows, macOS, Linux, Android |
| Release date | Sep 21, 2025 |
| Author | durian |
| Tags | Minimalist, No AI, Open Source, webxdc |
| Average session | A few seconds |
| Languages | German, English, Persian, Tagalog |
| Multiplayer | Server-based networked multiplayer |
| Links | Source code |
Download
Click download now to get access to the following files:
Development log
- 0.2.11.4: Swap the time table and clocks8 days ago
- 0.2.11: Add ability to change time zone92 days ago
- 0.2.10: Ability to select columns in the time table96 days ago
- 0.2.8: Better time tableOct 13, 2025
- 0.2.7: Add date picker in the time tableOct 13, 2025
- 0.2.6: Donation buttonOct 07, 2025
- 0.2.5: Add Persian / Farsi translationOct 05, 2025
- 0.2.4: More performant appOct 02, 2025



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