---
title: "upoCal - Reviews, Revenue and Downloads in Singapore | Apple App Store"
description: "# 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 direc"
---

# upoCal — Singapore
> Dawntime & Uposatha Calendar

![upoCal App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c3/24/c9/c324c9b1-7ce2-17e2-9c3a-93638653f1a3/upoCalComposer-0-0-1x_U007epad-0-1-sRGB-85-220.png/434x0w.png)

**Developer:** [KENO88 TRADING SERVICE COMPANY](https://apptail.io/developer/keno88-trading-service-company-MVdg)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** org.upcal.ios.gmlpub
**Store:** Apple App Store
**Country:** Singapore
**Version:** 2.9.8 (released 2026-06-28)
**Original Release:** 2026-05-27
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/sg/app/app/id6772249000)
**AppTail Page:** [https://apptail.io/app/upocal-bIpA/singapore](https://apptail.io/app/upocal-bIpA/singapore)

## upoCal Description
# 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.

## upoCal Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/40/2c/b8/402cb8e9-6ebc-54a8-e998-c410e1d06f21/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.18.20.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ef/3f/f7/ef3ff75d-2e99-4769-6dc3-a4eb706d13d7/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.23.47.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/81/95/bf/8195bf9e-3390-77a1-4469-5a614efff260/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.15.51.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/98/09/36/98093654-bfca-2817-0c01-55a9259ef150/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.19.01.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f3/5c/32/f35c323d-6673-9378-5015-e6f1ddb1cdb7/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.21.26.png/1320x2868.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b4/e0/5a/b4e05a5a-a32a-47c0-3f35-377812d55a69/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.17.34.png/1320x2868.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cf/4f/81/cf4f81e6-2c13-1fd0-9245-68de34b2046a/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.20.01.png/1320x2868.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/54/1f/ce/541fce14-fc84-82c1-cc82-92609d200527/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-06-03_at_04.20.38.png/1320x2868.png)






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---

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