It is officially the 24 hour Pre-sale. This is your last chance to grab and take advantage of the 55% bonus!
Official Pre-sale is tomorrow August 1st

Will there be that two sessions for the complete ICO?
No there will not be only these two sessions. There is another session which will be the main ICO after the end of pre-sale.
How much time are planned for these two coming sessions for the pre-sale and for the main ICO? How much more long will it take?
The pre-sale which will start on 1st August will end of August and after that on 1st September the ICO will start which will end at the end of September month. There are two months remaining in this total crowdsale.