Islamic Calendar
How these resources are maintained
The reference tables are generated from the same calendar and prayer libraries used by our tools. Calendar entries are checked by converting back to the original Gregorian date. This is an internal consistency check, not independent confirmation of moon sightings. Report discrepancies with the input dates, method and adjustment through the contact link below.
What these guides cover
The articles describe the implementation used by this app and offer reproducible checks. Worked examples identify their input dates and counting conventions. General background references are linked where used; a link to a reference does not imply that its publisher endorses this app.
The guides and interactive tools are available in 17 languages, with English used for unsupported languages. The browser and mobile editions do not have identical capabilities, so check the feature available in the edition you are using.
Report a discrepancy
Use the contact address below to report a date or prayer-time result that seems wrong. Include the exact input, calendar type, date, location and calculation/adjustment settings. If you are comparing another timetable, explain whether it lists a prayer start or an iqama time.
Avoid sending private documents or an exact home address. A city and the settings used are normally a better starting point for investigating a timetable difference. We can use a reproducible example to distinguish a settings mismatch from a calculation defect.
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