Fasting is a worship that is identical with forgiveness, but what appears from many fasting Muslim societies is far from forgiveness when involved in the conflict. This study aims to look at the effect of the quality of fasting on forgiveness in Muslim communities. Fasting measured in this study is Ramadan fasting. This research uses quantitative research methods. Subjects in this study were 214 people (108 men and 106 women) who are Muslim communities in Makassar City. Measuring instruments used in this research are the fasting quality scale and forgiveness scale with two variants of scale, namely forgiveness scale (forgiveness scale) and situational forgiveness (forgiveness likelihood scale). This study uses an ordinal regression test. The results of this study indicate that the quality of fasting significantly contributes to forgiveness, general forgiveness, and situational forgiveness in Muslim societies. Other variables that contribute to forgiveness in this study are gender, developmental stages, and marital status. The quality of fasting has a positive direction on forgiveness, so the higher the quality of fasting, the more it supports the higher forgiveness is given. This research implies that Muslim communities want to improve the quality of fasting to support high forgiveness in social life.