When a statement by the Supreme National Security Council of Iran says it will reply by Aug. 22 to the Western incentive package to stop enriching uranium, it chose that date for a very precise reason.
August 21, 2006 (Rajab 27, 1427) is known in the Islamic calendar as the Night of the Sira’a and Miira'aj, the night Prophet Mohammed (saas) ascended to heaven from the Aqsa Mosque in Jerusalem on a Bourak (Half animal, half man), while a great light lit-up the night sky, and visited Heaven and Hell also Beit al-Saada and Beit al-Shaqaa (House of Happiness and House of Misery) and then descended back to Mecca. The night of August 21 is a very, very important night in Shia'a Islam. What Iran's Ahmadinajead is promising the world by August 22 is the light in the sky over the Aqsa Mosque that took place the night before. That is his answer to the package of incentives the international community offered Iran on June 6.
Again, this is fairly thin - the only thing to work with here is a date. But I agree with Farid Ghadry: it can't hurt to look into this.