At least about a week more for celebrating Idul Fitri. It can be indicated by so many marchants who come to a centre of every village to offer their sale. Yap, as you guess, the marchants are dominated by the clothes sellers. A new shirt or cloth is regarded as tradition in celebrating Idul Fitri, so every seller try their luck for selling their sale in this moment.
Like in this picture which I take at one of village market at Alue Bilie