Ajibarang District is one of the areas in Banyumas Regency with a high level of productivity, but the decrease in rainfall in 2017=2019 caused Ajibarang District to have difficulty in developing its agriculture. It is also greatly influenced by climate change that occurs. So it is necessary to adjust the climate to be able to determine a suitable planting calendar for agricultural businesses. The purpose of this study was to determine the opportunities for the rice planting calendar in Ajibarang District. Method The research used is the Forward Sampling and Backward Sampling analysis methods. So the results of this study resulted in a rice and secondary cropping calendar with three planting seasons in one year and two dry seasons in one year.