672 months before today was 29 Nov 1968, a Friday. Subtracting 672 months in the past is usually just counting from November; however, longer calculations will push us from 2024 into 2023 or further. Even if the calculation remains within the year, I usually take note of the 29 days left in the end of November to prep for an additional calculation before October. But that’s all there is to it - understand the month, if 672 months will change the year, season, or fiscal calendar, and subtract your dates.
All of our day calculators are measured and QA'd by our engineer. Read more about the Git process here. But here's how 672 months ago gets calculated on each visit:
672 months is Friday November 29, 1968 or could be if you only want workdays. This calculation takes 672 months and only subtracts by the number of workdays in a week. Remember, removing the weekend from our calculation will drastically change our original Friday November 29, 1968 date.
Work months Solution
Monday
Tuesday
Wednesday
Thursday
672 months back
Friday
November 29
Saturday
Sunday
Counting back from today is Friday November 29, 1968 using a full calendar, and is also 499968 hours ago and 91.51% of the year.
Friday Friday November 29, 1968 was the 334 day of the year. At that time, it was 91.51% through 1968.