Skip to content

Home › Calculation methods › Egyptian General Authority of Survey calculation method

Egyptian General Authority of Survey calculation method

Fajr at 19.5° below the horizon, Isha at 17.5°. Published by the Egyptian General Authority of Survey and commonly used in Egypt and neighbouring regions. It uses a 19.5° Fajr angle, one of the earliest-Fajr conventions in common use.

Parameters

ParameterValue
Fajr19.5° below the horizon
Isha17.5°
MaghribAt sunset
AsrShafi (1x shadow) or Hanafi (2x), your choice in Settings

Precaution offsets built into this method: Dhuhr +1 min.

Where it is used

Published by the Egyptian General Authority of Survey and commonly used in Egypt and neighbouring regions. It uses a 19.5° Fajr angle, one of the earliest-Fajr conventions in common use. Your local mosque may publish its own table, so use this as a guide and check it against theirs.

Example times

Computed with this method for the spring equinox 2027 (20 March), the same engine as the app:

City (spring equinox 2027)FajrIsha
Mecca05:0519:43
London04:2319:54
Kyiv04:2019:52

Values for Kyiv and London apply the high-latitude rule recommended for latitudes above 48°.

Use it in Sakina

Open the app, then Settings, then Method, and pick Egyptian General Authority of Survey. You can nudge each prayer by a few minutes to match your local timetable.

Compare with other methods

Frequently asked questions

Who decides the Egyptian General Authority of Survey angles?

Published by the Egyptian General Authority of Survey and commonly used in Egypt and neighbouring regions. The angles are published parameters, not measurements.

Last updated 7 November 2026. Sakina is an independent app; this page is written for readers, not for search engines. Spotted a mistake? Tell us.

Try Sakina in your browser

Free, works offline, nothing leaves your device.