batoulapps / adhan-kotlin

High precision Islamic prayer time library for Java
MIT License
162 stars 47 forks source link

Implementing custom french calculations, but fajr and isha times are off during the summer. #35

Closed Frequence-xx closed 1 year ago

Frequence-xx commented 3 years ago

Bismillaahi rRahmaani rRaheem,

As-salamu 3alaykum wa ra7matullaahi wa barakatuhu,

I have an issue, I use the French calculation (Union des Organisations Islamiques de France) based on 12 degrees in the Netherlands, but the times are off only around summertime. Islamic Finder has the correct time for fajr and isha based on the french calculation method which is in accordance with eye-sighting. Any ideas?

Prayer times on July 13th 2021

--- | Adhan-Java | Islamic Finder Fajr | 03:39 ❌ | 04:13 ✅ Isha | 23:50 ❌ | 23:16 ✅

GulmirzaNorboyev commented 3 years ago

Assalomu alaykum!

I also wrote a Calculation Method that is not available in this library, I am from Uzbekistan and in the area where I live, fajr angle is 15, isha angle is 15, and the prayer times are slightly different with other specific programs, so custom settings are needed... After that, the program is working with a very small error... I think you need the same settings! Maybe I'm wrong 💁🏻...

Снимок экрана 2021-09-19 в 01 59 34
Frequence-xx commented 3 years ago

Hi @GulmirzaNorboyev I appreciate your response. I already tried this, but unfortunately it did not work. My prblem occurs during the summer time and the offsets change daily so I believe there's more happening underwater which I don't understand.

z3bi commented 2 years ago

@saqoah you do know that this library contains high accuracy calculations for determining sunrise and sunset time right?

ahmedre commented 1 year ago

closing this due to inactivity for a long time