Here is a shapefile format covers Universal Transverse Mercator zones of Indonesia. We uploaded the files due to many inquiries about this projection system. UTM Zones are created by draw the line connecting north and south poles at 180 E or 180 W (the same line in Pacific). UTM Zone 1 starts from 180 W – 174 W. Zones 2, 3, and so on are in east of zone 1. Longitude of 0 (Greenwich) is the first part of zone 31. Indonesia has 9 zones which starts from 90BT – 96BT (Zone 46)
Here is the overview of UTM zones covers Indonesia.

UTM zones of Indonesia - North and south boundary of each zones extent close to poles, not only as shown
Please visit the following download link to download the file.
