# upoCal — Dawntime & Uposatha Calendar

> Dawntime & Uposatha Calendar (iPhone/iPad app by KENO88 TRADING SERVICE COMPANY LIMITED.)

- Source: https://appshunter.io/ios/app/upocal/id6772249000 (this page in markdown: same URL + `.md`)
- Developer: [KENO88 TRADING SERVICE COMPANY LIMITED](https://appshunter.io/developer/1513511171)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14 · 32 MB
- Languages: English
- Released: 2026-05-27
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/upocal/id6772249000/reviews.md

## What is upoCal?

# upoCal – Myanmar Uposatha Calendar & Dawn-rise

**upoCal** is a free and open-source app for calculating highly accurate solar times and viewing Uposatha dates.

All calculations are performed directly on your device.

### Accurate Solar Time Calculations

Optional down-to-the-second precision for:

• Solar noon
• Sunrise and sunset
• Civil dawn and dusk
• Nautical dawn and dusk

### Dawn-rise (Aruṇuggamana)

• Multiple calculation formulas available
• Adjustable according to individual preferences and traditions

### Myanmar Uposatha Calendar

• View Myanmar Uposatha dates years into the future or past
• Monthly timetable view
• Yearly calendar view

### Features

• Home Screen widgets and lock screen widgets in various sizes
• Battery-efficient widget updates

• Adjustable dawn-rise(Aruṇuggamana) calculation methods
• GPS-based dawn-rise, noon time calculations
• Support manual location input

• Satellite and street map location preview (Internet connection required)
• Dark Mode support
• Optional display of times down to the second
• Multilingual support

• No account required
• No advertisements
• Open source

Designed for practitioners, monastics, and anyone who wishes to follow solar times and Myanmar Uposatha observances with precision.


## Version history (last 4 releases)

### 2.9.8 — 2026-06-28

- Improve widgets on Lock Screen

### 2.9.7 — 2026-06-22

- Simplify a rectangular widget on Lock Screen

### 2.8.1 — 2026-06-01

+ Enable iOS Lock Screen Widgets (from users' suggestions)
+ App: pull-to-refresh Widgets immediately

### 2.7.0 — 2026-05-27

No release notes.

## More apps by KENO88 TRADING SERVICE COMPANY LIMITED

- [Tipitaka Pali CST](https://appshunter.io/ios/app/tipitaka-pali-cst/id6743404213)
- [ekaTimer](https://appshunter.io/ios/app/ekatimer/id6777131310)

All apps by KENO88 TRADING SERVICE COMPANY LIMITED: https://appshunter.io/developer/1513511171

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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 2026-07-06.*