Prayer times

How Prayer Times Are Calculated: Sun Position, Methods and Local Checks

Prayer timetables are calculated from the sun’s position, coordinates, date and timezone. Learn why Fajr, Isha and Asr can differ between trusted schedules.

How Prayer Times Are Calculated: Sun Position, Methods and Local Checks
Global Salah editorial guide
Research reviewedPrepared with practical checks and editorial review.
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Quick answer

Prayer timetables are calculated from the sun’s position, coordinates, date and timezone. Learn why Fajr, Isha and Asr can differ between trusted schedules.

Prayer timetables are calculated from the sun’s position, coordinates, date and timezone. Learn why Fajr, Isha and Asr can differ between trusted schedules.

How to use this guidance

Fajr and Isha use twilight conventions, Dhuhr follows solar noon, Maghrib follows sunset, and Asr depends on a juristic shadow ratio. A one-minute difference can come from rounding; a larger gap often points to a different method, coordinate or timezone.

What to verify

Prayer timetables are calculated from the sun’s position, coordinates, date and timezone. Learn why Fajr, Isha and Asr can differ between trusted schedules. Fajr and Isha use twilight conventions, Dhuhr follows solar noon, Maghrib follows sunset, and Asr depends on a juristic shadow ratio. A one-minute difference can come from rounding; a larger gap often points to a different method, coordinate or timezone.

Important limitation

Use the documented principle, check the settings shown on the page, and confirm local religious practice with a trusted mosque or authority when it differs.

A useful next step

Use the documented principle, check the settings shown on the page, and confirm local religious practice with a trusted mosque or authority when it differs.

Prepared by

Global Salah Research Team

The Global Salah Research Team prepares practical Islamic guides through research and editorial review under qualified scholarly supervision.

Help and context

Frequently asked questions

What should I remember?

Use the documented principle, check the settings shown on the page, and confirm local religious practice with a trusted mosque or authority when it differs.