Jumu'ah

[T]here was a reasonably priced foot of land from which the raindbow could be seen at night every third jum'a in the month of Rabbi-ul-aker.

Then, […] the wind carried to his nostrils from the fires of the troops camped in the valley the desert tang of a camel-dung fire, and with it the plangent cry of a soldier-muezzin calling his saddle-weary brothers to a belated Jumuah.