[roveo]

As far as I know, during Ramadan you're only allowed to eat and drink when it's dark, which is more like a pretty extreme version of intermittent fasting (depending on daylight duration).

[dillondoyle]

And the Iftar tradition basically to break fast with a giant meal each sun downn. Makes it seem even more extreme up and down.

[mavci]

yes depending on your daylight, approximately, it takes between 13 and 18 hours. I am fasting one month a year, more than 10 years, and I can’t call extreme, it’s more like need