# calculator for time & angle — Sexagesimal (base 60) counter

> Sexagesimal (base 60) counter (iPhone/iPad app by Hiromasa Omukai.)

- Source: https://appshunter.io/ios/app/calculator-for-time-and-angle/id1191345751 (this page in markdown: same URL + `.md`)
- Developer: [Hiromasa Omukai](https://appshunter.io/developer/1190545142)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 9.3 · 18 MB
- Languages: American English
- Released: 2017-01-04
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/calculator-for-time-and-angle/id1191345751/reviews.md

## What is calculator for time & angle?

This is for calculating time and angle.

For example, you can calculate
 1hr 30min + 3hr 45min = ?
 1hr / 100 = ?
 How many hours and minutes are 10000 seconds?

This app will also help calculation for the horoscope, as follows
 360° / 24 = ?
 15° 30' - 5° 45' = ?

The system is very simple.
you just choose [time/angle] mode and [+,-,x,/] mode and input numbers.


## Version history (last 4 releases)

### 1.2 — 2020-01-02

Minor bugs fixed.

### 1.1.1 — 2017-03-08

Minor bugs were fixed.

### 1.1.0 — 2017-01-09

"Copy answer" button was added.
Bugs were fixed.

### 1.0.0 — 2017-01-04

No release notes.

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## More apps by Hiromasa Omukai

- [数秘術&開運こてんしこよみ](https://appshunter.io/ios/app/and/id1190545143)
- [CMY-Color-Mix Training](https://appshunter.io/ios/app/cmy-color-mix-training/id1192566723)
- [Pythagorean numerology learning](https://appshunter.io/ios/app/pythagorean-numerology-learning/id1197974732)
- [the Smart Switch Lite](https://appshunter.io/ios/app/the-smart-switch-lite/id1216725984)
- [すぐメモ](https://appshunter.io/ios/app/id1251596510)

All apps by Hiromasa Omukai: https://appshunter.io/developer/1190545142

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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 2026-06-01.*