Noun
a day designated for fasting
Source: WordNetConditions for a crossing were good, it was a fast day in Israel, and the moon on that day, 10 Ramadan, shone from sunset until midnight." Source: Internet
In addition to these fasting seasons, Orthodox Christians fast on Wednesdays and Fridays throughout the year (and some Orthodox monasteries also observe Monday as a fast day). Source: Internet
The Temple Institute will start work building the altar on Tisha B’av, a fast day when Jews mourn the destruction of the Temple 2000 years ago. Source: Internet
The Eastern Orthodox Church observes Wednesday (as well as Friday) as a fast day throughout the year (with the exception of several fast-free periods during the year). Source: Internet
This fast becomes more severe beginning 12 December, and Christmas Eve is observed as a strict fast day. Source: Internet
WHERE on this site, and WHEN has ANYONE suggested less than 20g/day (OK on a fast day you get less than 20g/day, but you also get ZERO fats and proteins! Source: Internet