{
  "schemaVersion": "1.0",
  "id": "https://themuslimpost.org/resources/prayer-times-methods-explained#dataset",
  "slug": "prayer-times-methods-explained",
  "language": "en",
  "name": "Prayer Times Methods Explained: Why Fajr, Asr and Isha Can Differ Between Apps",
  "description": "A practical guide to prayer-time calculation settings, including Fajr and Isha angles, Asr methods, high-latitude adjustments, location accuracy and local mosque boundaries.",
  "pageUrl": "https://themuslimpost.org/resources/prayer-times-methods-explained",
  "dataUpdatedAt": "2026-07-04T02:38:38.476Z",
  "methodology": {
    "summary": "Prayer-time tools look simple because they output five daily times. Under the surface, they combine astronomy, location, timezone data, calculation methods and local religious practice. That is why two reputable apps can show different Fajr, Asr or Isha times for the same city.\n\nThe first principle is religious, not technical. Quran 4:103 describes prayer as prescribed for believers at specified times. A calculation method tries to estimate those times for daily use, but the method is still an approximation and should be used with the guidance of a trusted local community.\n\nFajr and Isha are usually the most sensitive calculated times because they depend on twilight. Many methods use a solar depression angle, such as 15, 17, 18 or another regional setting. Some institutions use fixed minutes after Maghrib for Isha in certain regions. A small method change can move the displayed time by several minutes or more.\n\nAsr differs for a different reason. Prayer apps commonly expose an earlier Asr setting and a later Hanafi Asr setting. If the method is hidden, readers may think the tool is wrong when it is actually using a different jurisprudential setting.\n\nHigh-latitude places need special care. In some seasons, especially far north or far south, twilight behavior does not fit ordinary assumptions. Tools may use night portions, angle-based approximations, nearest latitude, or another policy. The page should name the policy instead of pretending every city is equally straightforward.\n\nLocation and timezone also matter. A prayer time for London is not automatically correct for another town with the same timezone. Wrong coordinates, a stale timezone, daylight-saving changes, or a browser location rounded to the wrong area can shift times.\n\nThe safest product rule is transparency. A prayer-time tool should show the selected city, timezone, method, Asr setting and any high-latitude adjustment. It should also tell readers to follow their local mosque or trusted local authority when exact communal practice matters.\n\nThis page does not choose one universal method. Its purpose is to explain why differences happen and how to read the settings. Once a reader understands the method, they can use the tool more responsibly.",
    "notes": []
  },
  "table": {
    "title": "Prayer Times Methods Explained Reference",
    "columns": [
      "Setting",
      "What it changes",
      "Why readers notice it"
    ],
    "rows": [
      [
        "Fajr angle",
        "When pre-dawn twilight is treated as prayer time",
        "It can move the start of fasting and Fajr"
      ],
      [
        "Isha angle or minutes",
        "When night prayer is displayed",
        "It varies across regions and institutions"
      ],
      [
        "Asr method",
        "Earlier or later afternoon prayer",
        "Hanafi and non-Hanafi settings differ"
      ],
      [
        "High-latitude adjustment",
        "How missing twilight is approximated",
        "Northern cities can have unusual summer results"
      ],
      [
        "Timezone and coordinates",
        "Local civil time and location basis",
        "Wrong city or timezone shifts every prayer"
      ]
    ]
  },
  "sources": [
    {
      "label": "Quran",
      "url": "https://quran.com/en/an-nisa/103"
    },
    {
      "label": "Aladhan",
      "url": "https://aladhan.com/calculation-methods"
    },
    {
      "label": "Praytimes",
      "url": "https://praytimes.org/docs/calculation"
    },
    {
      "label": "Fiqhcouncil",
      "url": "https://fiqhcouncil.org/the-suggested-calculation-method-for-fajr-and-isha/"
    }
  ],
  "downloads": {
    "json": "https://themuslimpost.org/resources/prayer-times-methods-explained/data.json",
    "csv": "https://themuslimpost.org/resources/prayer-times-methods-explained/data.csv"
  }
}