300 months before today was 23 Jan 2000, a Sunday. Subtracting 300 months in the past is usually just counting from January; however, longer calculations will push us from 2025 into 2024 or further. Even if the calculation remains within the year, I usually take note of the 23 days left in the end of January to prep for an additional calculation before . But that’s all there is to it - understand the month, if 300 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 300 months ago gets calculated on each visit:
300 months is Sunday January 23, 2000 or could be if you only want workdays. This calculation takes 300 months and only subtracts by the number of workdays in a week. Remember, removing the weekend from our calculation will drastically change our original Sunday January 23, 2000 date.
Work months Solution
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
300 months back
Sunday
January 23
Counting back from today is Sunday January 23, 2000 using a full calendar, and is also 223200 hours ago and 6.3% of the year.
Sunday Sunday January 23, 2000 was the 023 day of the year. At that time, it was 6.3% through 2000.