You can find all the information here and the hotels will become available at about 3-4pm UK time. You can book the hotels from 27th of May to 31st of July. Currently these are the old hotels that where bookable until 31st of May.
This deal is excellent if there are any hotels you want to visit during Ramadan or for Eid with your family. 🙂
Availability is very limited so you will have to be very FAST!
TIP: These are refundable nights so you can cancel, however in order to do this you will have to book each night separately otherwise it will cancel the whole booking. So if you need 6 nights you will have to make 6 different reservations for each night.