or Arithmology, if etymology’s your thing.
Numerology refers to occult, supernatural, or mystical association between numbers and events: birthdays, dates of deaths, volcanic eruptions and so on. It can be useful, however, in linking numbers to common uses, and in so doing, generate a common meaning.
24-7-365 is one example, drawn from the 24-hour day, the 7-day week, and the 365-day year. We don’t have an idiom for the month, as it isn’t so definitive: the lunar month has 29 or 30 days, the Gregorian calendar month has 28 to 31 days. theAbysmal Calendar has such a variety of measures that it’s unclear how any of this might be meaningful.
That’s not to dissuade one from trying.
Rethinking Time 