Daily Prayer Times Analysis: The Basis for Islamic Prayer Time Schedule

The five daily prayer times in Islam are strictly divided according to the sun's trajectory in the sky, embodying reverence and adherence to natural laws. Fajr (Dawn Prayer) begins at dawn when the first light appears in the sky and ends before sunrise; Dhuhr (Noon Prayer) begins after the sun passes noon and moves west, until the shadow length equals the height of the object; Asr (Afternoon Prayer) starts from the end of Dhuhr until before sunset; Maghrib (Sunset Prayer) begins after sunset when the red evening glow in the sky disappears; Isha (Night Prayer) starts from the end of Maghrib until before midnight.

This time division is closely related to Earth's revolution and rotation, so prayer times will vary significantly in different seasons and latitudes. Taking Fajr as an example, in high-latitude regions during summer, dawn may come around 4 AM, while in winter it may be delayed until after 7 AM. Similarly, near the equator, due to more regular sun movement patterns, prayer times for each period are relatively fixed; while near the Arctic and Antarctic circles, polar day or polar night phenomena will require special adjustments for some prayer times.

Traditionally, Muslims determined prayer times by observing the sun's position and shadow length. Today, this web application combines astronomical data with the user's latitude and longitude to precisely calculate the specific times for the five daily prayers, and supports setting advance reminder functions. For example, users can set a notification 15 minutes before Fajr to have sufficient time for ablution and preparation, ensuring timely prayer. Understanding the basis for prayer time determination allows believers to more deeply appreciate the harmony and unity between Islam and nature, thus approaching daily prayer with a more devout mindset.