The Official Jetanie Charts (often shortened to OJC) is the main music chart in Jetania, which is owned by the government. The charts commenced in 1977. As of 2018, there have only ever been two official charts in Jetania - the album chart and the singles chart.
Both the album and singles chart have a total of 299 positions. The chart week begins on Monday and ends on Saturday, with the charts being updated on the Sunday.