504 weeks ago from today was 15 May 2015, a Friday. Anytime we’re subtracting halves of the year, we need to ensure that we’re still in 2025. It looks like 504 weeks from now will bring us back to pre 2024 and we’ll need to factor this into our subtraction because it will change the calendar and fiscal years. For larger calculations like this, I start by subtracting total days, then counting backwards 3528 days on a calendar until getting my solution of Friday May 15, 2015.
All of our day calculators are measured and QA'd by our engineer. Read more about the Git process here. But here's how 504 weeks ago gets calculated on each visit:
504 weeks is Friday May 15, 2015 or could be if you only want workdays. This calculation takes 504 weeks and only subtracts by the number of workdays in a week. Remember, removing the weekend from our calculation will drastically change our original Friday May 15, 2015 date.
Work weeks Solution
Monday
Tuesday
Wednesday
Thursday
504 weeks back
Friday
May 15
Saturday
Sunday
Counting back from today is Friday May 15, 2015 using a full calendar, and is also 84672 hours ago and 36.99% of the year.
Friday Friday May 15, 2015 was the 135 day of the year. At that time, it was 36.99% through 2015.