Islamic Prayer Time Calculator
Accurate Daily Salah Times for any location worldwide.
| Prayer | Time | Azan Type |
|---|
Sun Altitude Visualization
What is an Islamic Prayer Time Calculator?
An Islamic Prayer Time Calculator is a specialized tool used by Muslims globally to determine the exact times for the five daily obligatory prayers: Fajr, Dhuhr, Asr, Maghrib, and Isha. These times are not fixed like a standard clock; they shift daily based on the sun's position relative to a specific geographic location (Latitude and Longitude) and the time of year.
Who should use it? Any Muslim traveling, living in non-Muslim majority countries, or simply wanting to ensure precision in their worship. A common misconception is that prayer times are the same for entire countries; in reality, even a few miles of distance can result in a minute's difference in sunset or dawn.
Islamic Prayer Time Calculator Formula and Mathematical Explanation
Calculating prayer times involves complex spherical trigonometry. The core variables include Solar Declination, the Equation of Time, and the local Zenith angle of the sun.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| φ (Phi) | Latitude | Degrees | -90 to 90 |
| λ (Lambda) | Longitude | Degrees | -180 to 180 |
| δ (Delta) | Solar Declination | Degrees | -23.44 to 23.44 |
| H | Hour Angle | Degrees | 0 to 360 |
Mathematical Steps:
- Fractional Year: Calculate the position of the earth in its orbit.
- Equation of Time: Adjust for the discrepancy between "clock time" and "solar time."
- Solar Declination: Find the angle between the rays of the sun and the plane of the Earth's equator.
- Dhuhr: 12 + Timezone – (Longitude/15) – Equation of Time.
- Sun Angles: Fajr and Isha are calculated when the sun is a specific number of degrees below the horizon (usually 15° to 19.5°).
Practical Examples (Real-World Use Cases)
Example 1: London, UK (Winter)
In December, the sun sets early. The Islamic Prayer Time Calculator uses a Latitude of 51.5° N. Because of the high latitude, the twilight period is longer, and the calculator applies "High Latitude Adjustments" to ensure Isha is not calculated at an impossible time.
Example 2: Makkah, Saudi Arabia (Summer)
Using the Umm al-Qura method, Fajr is calculated at 18.5° below the horizon, and Isha is automatically set to 90 minutes after Maghrib. The calculator processes these local conventions instantly.
How to Use This Islamic Prayer Time Calculator
- Enter your Latitude and Longitude. You can find these on any map app.
- Select your Timezone. This is crucial for matching the result to your local clock.
- Choose a Calculation Method. If you are in North America, ISNA is common. In the Middle East, Umm al-Qura or MWL is preferred.
- Choose the Asr Juristic Method. Use "Hanafi" if you follow that school; otherwise, "Standard" works for Shafi, Maliki, and Hanbali.
- The Islamic Prayer Time Calculator updates in real-time. View the next prayer in the green box.
Key Factors That Affect Islamic Prayer Time Calculator Results
- Latitude & Longitude: The primary drivers of solar position.
- Calculation Method: Different Islamic organizations use different twilight angles (e.g., 15° vs 18° for Fajr).
- Elevation: Being on a high mountain makes the sun "set" later and "rise" earlier.
- Atmospheric Refraction: The bending of light as it passes through the atmosphere affects Sunrise and Maghrib.
- Juristic School: The Hanafi school defines Asr as when a shadow is twice the length of the object, whereas other schools use a single length.
- Equation of Time: Earth's elliptical orbit causes solar noon to drift throughout the year.
Related Tools and Internal Resources
- Qibla Direction Finder – Locate the Kaaba from your current position.
- Hijri to Gregorian Converter – Convert Islamic dates to Western dates.
- Zakat Calculator – Calculate your annual obligatory charity.
- Ramadan Timetable – Get Sehri and Iftar times for the holy month.
- Islamic Date Today – Stay updated with the current lunar month.
- Sunnah Fasting Days – Find the White Days and other Sunnah fasting dates.
Frequently Asked Questions (FAQ)
- Why are there different methods in the Islamic Prayer Time Calculator?
- Different regions use different angles for twilight based on local astronomical observations and historical scholarly consensus.
- Is the Maghrib time the same as sunset?
- Generally yes, but the Islamic Prayer Time Calculator adds a small buffer (usually 1-3 minutes) for safety to ensure the sun has fully disappeared.
- What is the "Hanafi" Asr time?
- In the Hanafi school, Asr starts later than in other schools. The shadow of an object must be twice its length plus its noon-time shadow.
- How does the Islamic Prayer Time Calculator handle high latitudes?
- In places like Norway or Canada, the sun may not reach the required angle for Fajr or Isha. We use the "Seventh of Night" or "Angle-Based" rule to provide estimated times.
- Do I need to adjust for Daylight Savings Time?
- Yes, you must adjust the Timezone Offset input (e.g., from +1 to +2) if your region is currently in DST.
- How accurate is this Islamic Prayer Time Calculator?
- Our algorithm is accurate within +/- 1 minute of official local mosque schedules in most standard cases.
- Can I use this for the start of Ramadan?
- This calculator provides daily prayer times. For the start of months, moon sighting remains the primary standard in most communities.
- What is Dhuhr?
- Dhuhr is the midday prayer, starting just after the sun crosses the local meridian (Zenith).