Hanafi and Standard Asr Times Explained
The Asr setting changes how a timetable calculates the start of the afternoon prayer. You may see it labelled Standard or Hanafi.
What the setting changes
The two settings use different shadow-length criteria after solar noon. The Standard setting used by many timetables marks Asr earlier. The Hanafi setting usually marks it later. The difference varies through the year and by latitude, so a fixed adjustment of twenty or thirty minutes will not reliably reproduce it.
Check one setting at a time
When comparing two timetables, keep the date, coordinates and Fajr and Isha calculation method the same, then compare the Asr option. Follow the Asr practice of your mosque or the school you follow. If you join a congregation while travelling, confirm the mosque’s published time separately from your personal app reminder.
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