Background: Ethiopia has various religions, of which the Orthodox Tewahido Christian religionrnaccounts for 44% of the population. According to the Ethiopian Orthodox Tewahido traditionrnclose to 200 days are dedicated to religious fasting annually, at which time all followers who arernabove seven years old are expected to abstain from all types of food, including animal sourcernfoods, and water for up to some hours daily. It is possible that such practice by mothers orrncaregivers could affect children’s food consumption. However, it is not clear ifrnmothers/caregivers’ fasting status influences the diversity of food that children are getting duringrnthese periods.rnObjective: The objective of this study was to estimate the effect of mothers/caregivers’ fastingrnstatus on dietary diversity of children 6-23 months in Debrebirhan, Ethiopia, 2019rnMethods: A community-based longitudnal study was conducted in Debrebirhan, North ShewarnZone, at randomly selected seven kebeles with a sample size of 218, from January 29 to Februaryrn25, 2019 in the pre-fasting period and from March 18 to April 10, 2019, during fasting period onrnsame participants. Data was entered on Epi data version 4.4.2.1 and analyzed using STATA 15rnsoftware. Children’s dietary diversity was measured using the WHO standardized questionnairernfor infant and young child feeding. McNemar paired test was used for comparison of baselinernand end line measurements. Statistical significance was determined at p