The New Xbox Experience (NXE) will be online on Wednesday November 19th from 10am GMT. In PHILIPPINE time, that is 6:00PM on Wednesday, Nov. 19.
What time will it be in your country when NXE gets released? Check this link:
Other useful information from NEOGAF, Game Install Sizes (How much space will your game take up when installed via NXE, and will there be a performance benefit?):