Bönetider direkt (svenska)
bonetider.tk
bonetider.nur.nu

Prayertimes (English):
prayertimes.tk
prayertimes.nur.nu

Dokumentation:
taqdir-info.tk - biref info on taqidr applied in the Birka prayer times calculator
taqdir-methods.tk - paper on methods of taqidr
taqdir-hanafi.tk - Hanafi fiqh of taqdir
prayertimes-doc.tk - full documentation

Birka logbok:
birka-log.tk

Alternative links to Birka:
www.birka.nur.nu
www.birka.tk
www.birka.st