An attempt to determine the position of the direction can be done in various ways. Bicara mentions, the determination of the direction of the Qibla of the mosque of Al Mukhlishun in the Griya Asri Depok, Depok Center, founded in 2001, using a small compass, United Kingdom-language with Latin script and Arabic.
In the tool bearings it written that to Jakarta and most cities in Indonesia, the compass needles north direction should point number 9 as Qiblah direction.
In fact, the survey Qiblah direction is doing in various major mosques in Jakarta shows the use of pointed, compass directions are different in every place of worship, ranging from 7.5 to 9.
Determination of the direction of the Qibla used generally refers to the geographic North direction, actually using the magnetic needle compass direction or called "the Kaaba's direction finder". Direction of the magnetic needle compass points based on the Earth's magnetic pole at the North Pole.
It turns out that Earth's magnetic north was different in each city from time to time. It is influenced by the Earth's rotation. Research shows the direction of magnetic north constantly shifted around 4.8 kilometers per year. In 2005 pergeserannya reached 800 kilometers from the North Pole. In 2050 is estimated to be approaching the Earth's magnetic north of Siberia.
Thomas, expert on astronomy and Astrophysics, suggests that there is a determination of the Qiblah direction using the Sun's shadow. About 26-30 may at 16.18 WIT and 13-17 July: 16.27 WIT Sun right above the city of Mecca.
At the time the Sun is visible from all corners of the earth can be a bookmark the location of the Kaaba. So does the shadow body erect at the time it can also be erratic direction to Qiblah.
In addition to areas that do not experience the same day, with Mecca, the time used is when the Sun is above the point of diametral with Mecca. A benchmark can be used for the bookmark that is the direction of the Sun on December 12 to 16 January at 04.30 pm and 27 November to 1 December at 04.09 WIT.
In this way he deems most convenient for correcting the Qiblah direction, including the saf in the mosque. So easy that even a layman can do it.