also: あいび
day off between working days
A day off sandwiched between working days, often used in scheduling contexts.
Next Wednesday is a day off between working days, so I can rest well.
50th, 53rd, 55th or 59th day of the sexagenary cycle
Technical term in the traditional Chinese sexagenary cycle (干支). Rare outside historical or calendrical contexts.
See also: 干支
non-fever day (intermittent fever)
Medical term for a day without fever in intermittent fevers like malaria. Rare in modern usage.
A malaria patient's fever subsides on non-fever days.
The 間日 in the sexagenary cycle can have special significance in the calendar.
Standard kanji form; the reading まび is the most common.
Alternate reading; less common than まび.
Compound of 間 (ma, 'interval') and 日 (hi, 'day'), with rendaku voicing to び. The reading あいび uses the kun'yomi あい for 間.