一日

Noun

 * 1)  one day
 * 2)  another day in the future
 * 3)  yesterday
 * 4)  daytime; day

Conjunction

 * 1)  as long as

Etymology 1
→

Originally a compound of.

Noun

 * 1) the first day of the month (solar or lunar calendar)

Usage notes
The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Derived terms

 * : a common kind of contraceptive in the, taken on the first of every month
 * : alternate name for : pheasant's eye or adonis
 * : rainfall or snowfall on the first day of the month
 * : a ceremonial potted pine tree placed at the household gate at the New Year
 * , : a ceremonial clearing of a path to the family grave in preparation for the

Etymology 2
From. Compare modern 🇨🇬 reading yit-ngit.

The goon reading, so likely the initial borrowing.

Pronunciation

 * When used as a modifier, the term takes pitch accent pattern 0.

Noun

 * 1) one day, 24 hours
 * 2) the daytime, the period from dawn until dusk
 * 3)  a short period of time
 * 4) one day, someday, an unspecified day
 * 5) the first day of the month
 * 1)  a short period of time
 * 2) one day, someday, an unspecified day
 * 3) the first day of the month
 * 1) the first day of the month

Usage notes
The ichinichi reading appears to be somewhat more common than synonymous ichijitsu below. There may be dialectal differences in usage patterns.

The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Derived terms

 * : dead memorial service where many gather to transcribe a sutra in one day
 * : dead memorial service where many gather to transcribe a sutra in one day
 * : dead memorial service where many gather to transcribe a sutra in one day
 * : dead memorial service where many gather to transcribe a sutra in one day
 * : dead memorial service where many gather to transcribe a sutra in one day

Etymology 3
Ultimately from. Compare modern 🇨🇬 reading chi̍t-ji̍t.

This reading uses the goon for the first character and the kan'on for the second character, suggesting a shift in reading after the initial borrowing.

Pronunciation

 * When used as a modifier, the term takes pitch accent pattern 0.

Noun

 * 1)  one day, 24 hours
 * 2)  the daytime, the period from dawn until dusk
 * 3)   a short period of time

Usage notes
The synonymous ichinichi reading appears to be somewhat more common. There may be dialectal differences in usage patterns.

The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Etymology 4
Compound of.

Noun

 * 1)  the first day of the month

Usage notes
This reading appears to be quite rare. There may be dialectal differences in usage patterns.

Etymology 5
Compound of. Appears in  of the early 1000s CE.

Noun

 * 1)  one day, 24 hours
 * 2)  the daytime, the period from dawn until dusk

Etymology 6
→ →

Shift in pronunciation from hitohi above.

Usage notes
All senses appear to be identical as for hitohi above.