Definition
"Salah times" refers to the specific periods during a 24‑hour day when the five obligatory Islamic prayers (Salat) are to be performed. These periods are determined by the apparent position of the sun and are standardized across the Muslim world using astronomical calculations.
The Five Daily Prayers and Their Approximate Solar Criteria
| Prayer | Approximate Solar Position | Typical Timing |
|---|---|---|
| Fajr (pre‑dawn) | Begins at the onset of true dawn (when a faint horizontal line of light appears on the horizon) and ends at sunrise. | Early morning, before sunrise. |
| Dhuhr (midday) | Commences when the sun passes its highest point (solar noon) and begins to decline. | Around noon, varying with longitude and season. |
| Asr (afternoon) | Starts when the length of an object's shadow equals (or, in some schools, doubles) its height, measured from the time of Dhuhr. | Mid‑afternoon, before sunset. |
| Maghrib (sunset) | Begins at sunset (when the upper limb of the sun disappears below the horizon). | Immediately after sunset. |
| Isha (night) | Commences when the evening twilight disappears (the sky becomes fully dark) and continues until the start of Fajr. | Nighttime, ending at true dawn. |
Factors Influencing Local Prayer Times
- Geographical Location – Latitude, longitude, and elevation affect solar angles and thus the exact times.
- Date – The solar declination changes throughout the year, altering the length of day and night.
- Calculation Methods – Various Islamic authorities have established slightly different angular criteria for twilight (e.g., the Muslim World League, Islamic Society of North America, Umm al‑Qura University). These produce minor variations in the computed times.
- Daylight Saving Time (DST) – If a jurisdiction observes DST, local clock adjustments shift the displayed prayer times accordingly, though the underlying solar calculations remain unchanged.
Common Systems for Determining Times
- Astronomical Algorithms – Used by software and mobile applications (e.g., the "Prayer Times" algorithm by Muslim World League) to compute times based on solar geometry.
- Local Mosque Calendars – Many mosques publish printed or digital schedules tailored to their specific community.
- Government or Institutional Websites – Some countries release official prayer timetables (e.g., Saudi Arabia’s Umm al‑Qura calendar).
Usage Context
- Individual Practice – Muslims reference Salah times to fulfill their religious obligations punctually.
- Community Coordination – Mosques, Islamic centers, and schools align congregational prayers (e.g., Jumu'ah) with these times.
- Technology Integration – Mobile apps, digital clocks, and smart home devices often incorporate automatic updates of Salah times based on the user’s location.
Relevant Sources
- Qur'an (references to prayer at prescribed times, e.g., 2:238).
- Hadith literature (e.g., Sahih Bukhari, Sunan Abu Dawood) describing the times of each prayer.
- Scholarly works on Islamic jurisprudence (fiqh) discussing the criteria for determining prayer times.
- Astronomical calculations described in works such as "Astronomical Algorithms" by Jean Meeus, adapted for Islamic prayer timing.
Summary
"Salah times" denote the five daily intervals set by Islamic jurisprudence and astronomical observation for performing the obligatory prayers. The precise timing varies by location, date, and the calculation method employed, but the underlying principle is consistent: each prayer aligns with a specific solar event.
