# Toki-O — Explore diverse time systems.

> Explore diverse time systems. (iPhone/iPad app by Marc Picco.)

- Source: https://appshunter.io/ios/app/toki-o/id6771738015 (this page in markdown: same URL + `.md`)
- Developer: [Marc Picco](https://appshunter.io/developer/1854376029)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.4 · 1 MB
- Languages: American English
- Released: 2026-05-26
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/toki-o/id6771738015/reviews.md

## What is Toki?

Time-O is an app for exploring and converting between over 40 time systems from science, astronomy, computing, history, and culture.
View real-time clocks and calendars including Gregorian, Unix Epoch, Julian Date, Martian Time, GPS Time, Swatch Internet Time, Stardates, and more. Each system includes live updates and a short explanation.

Features:
40+ time systems across scientific, astronomical, cultural, and fictional categories.
Real-time conversion between multiple date and time formats.
Time controls for pausing, rewinding, advancing, and scrubbing through time.
Location-based calculations for solar and sidereal time systems.
Interactive world map for custom location selection.
Historic and future event presets.
Clean dark-mode interface with animated visualizations.

Time-O is designed for anyone interested in timekeeping, astronomy, computing, history, or science fiction.


## Version history (last 1 release)

### 1.0 — 2026-05-26

No release notes.

## More apps by Marc Picco

- [Feel-O](https://appshunter.io/ios/app/feel-o/id6755522177)
- [Percent-O](https://appshunter.io/ios/app/percent-o/id6756480336)

All apps by Marc Picco: https://appshunter.io/developer/1854376029

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*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 2026-06-04.*