- catholicism - abstain from meat on ash wednesday and good fridays. also, no meat is eaten on all fridays during lent.
- eastern orthodox - no meat, dairy products, or eggs are allowed during lent. there are also several other fast periods throughout the year.
- protestant - fasting is at the discretion of individuals and churches
- methodist - some partake in the wesley fast. this includes fasting after thursday's evening meal until midafternoon on fridays. otherwise, fasting is put at discretion
- lutheran - fasting is at the discretion of individuals and churches. not required at all.
- during yom kippur, eating and drinking are not allowed for 24 hours. there are also six other fast days throughout the year.
- abstain from solid foods and certain drinks during some full moon days and other holidays.
- the first sunday of each month is a fast day. abstain from food and drink for two consecutive meals.
- fasting during the month of ala. this means no food and drink from sunrise to sunset.
well...no matter when or if you fast, i think we can all agree that it is quite a challenging practice.