Calculator
Result
Answer will appear hereEnter the values above and press Calculate to see the answer, step-by-step solution, and formula used.
How the result is calculated
Fasting hours ≈ Maghrib − Fajr for city and date
Ramadan Fasting Hours Calculator
See how long the fast lasts for your location and date using estimated Fajr and Maghrib times.
Explanation
What this calculator does
Ramadan Fasting Hours Calculator helps you calculate the result using clear inputs, a formula, and practical examples.
Educational estimates only — not a fatwa. Confirm rulings with a qualified scholar.
How LearnLinx Calculates This Result
Formula
Fasting hours ≈ Maghrib − Fajr for city and date
Enter your values and press Calculate to see each computation step with your numbers plugged into this formula.
Example
On a long summer day at mid-latitudes, fasting can exceed 16 hours from Fajr to Maghrib.
When to use it
Use it when you need a quick result for study, planning, documentation, or checking a manual calculation.
Common mistakes
- Treating estimated Fajr/Maghrib as an official mosque timetable.
- Using the wrong UTC offset for your city.
- Picking a calculation method that does not match local practice.
Frequently asked questions
Is this official mosque timing?
No — it is a solar estimate. Confirm suhoor/iftar with a local timetable.
What sets the fast length?
Approximate duration from Fajr to Maghrib for your coordinates and date.
How is fasting length measured?
Approximate hours from estimated Fajr to Maghrib on the selected date.
Will it match my mosque app?
Often close, but methods and twilight angles differ—confirm locally.
What formula does the Ramadan Fasting Hours Calculator use?
It uses: Fasting hours ≈ Maghrib − Fajr for city and date. The result page also shows a step-by-step breakdown of how your answer was calculated.
Is the Ramadan Fasting Hours Calculator free to use?
Yes. All LearnLinx calculators are completely free with no signup required. Signing in is optional and only adds a 60-day history of your calculations.
Is this a fatwa or religious ruling?
No. These tools provide educational estimates only. Confirm zakat, prayer, fasting, and inheritance rulings with a qualified scholar.