What was the date 100 years ago?

Solution

Wednesday May 21, 1924

0

100 years in the past was 21 May 1924, a Wednesday. Subtracting 100 years in the past is usually simple. Anything under a decade can usually be counted on one hand. The biggest challenge will be skipping decades behind or even centuries. Additionally, we’re 21 days from the end of May, so being in the end of of the month, you'll need to consider monthly changes as well. Weekly and daily changes most likely won't impact 100 years ago.

How we calculated 100 years before today

All of our day calculators are measured and QA'd by our engineer. Read more about the Git process here. But here's how 100 years ago gets calculated on each visit:

  1. We started with date inputs: used current day of 21 May, then set the calculation - 100 years, and factored in the year 2024
  2. Noted your current time of year: 100 years in May will bring us back to April or further.
  3. Counted backwards years from current day: date - 21 May, factoring in the 21 days left in May to calculate Wednesday May 21, 1924
  4. Did NOT factor in workdays: In this calculation, we kept weekend. See below for just workdays or the fiscal calendar

Tips when solving for May 21

  • Current date: 21 May
  • Day of the week: Wednesday
  • New Date: Wednesday May 21, 1924
  • New Date Day of the week: Wednesday
  • Counting backward from May could put you back in Q1 or even the previous year.
  • The solution crosses into a different year.

Ways to calculate 100 years ago

  1. Calculate it: Start with a time ago calculator. 100 years is easiest solved on a calculator. For ours, we've already factored in the 21 days in May + all number of days in each month and the number of days in . Simply add your years and choose the length of time, then click "calculate". This calculation does not factor in workdays or holidays (see below!).
  2. Use May's calendar: Begin by identifying 21 May on a calendar, note that it’s Wednesday, and the total days in April (trust me, you’ll need this for smaller calculations) and days until last year (double trust me, you'll need this for larger calculations). From there, count backwards 100 times years by years, subtracting years from until your remainder of years is 0.
  3. Use excel: For more complex years calculations or if you h8 our site (kidding), I use Excel functions like =TODAY()-100 to get or =WORKDAY(TODAY()), -100, cell:cell) for working years.

Working years in 100 calendar years

100 years is Wednesday May 21, 1924 or could be if you only want workdays. This calculation takes 100 years and only subtracts by the number of workdays in a week. Remember, removing the weekend from our calculation will drastically change our original Wednesday May 21, 1924 date.

Work years Solution

Date 100 work years ago
Tuesday June 24, 1884

Week of Wednesday May 21, 1924

Monday

Tuesday

100 years back

Wednesday

May 21

Thursday

Friday

Saturday

Sunday

The past 100 years is equivalent to:

Counting back from today is Wednesday May 21, 1924 using a full calendar, and is also 876000 hours ago and 38.9% of the year.

100 years = 876000 hours

100 years = 1177.419 months

100 years = 5214.286 weeks

100 years = 100.0 years

100 years = 52560000 minutes

100 years = 3153600000 seconds

Did you know?

Wednesday Wednesday May 21, 1924 was the 142 day of the year. At that time, it was 38.9% through 1924.

Similar days before problems

In 100 years, the average person Spent...

  • 7840200.0 hours Sleeping
  • 1042440.0 hours Eating and drinking
  • 1708200.0 hours Household activities
  • 508080.0 hours Housework
  • 560640.0 hours Food preparation and cleanup
  • 175200.0 hours Lawn and garden care
  • 3066000.0 hours Working and work-related activities
  • 2820720.0 hours Working
  • 4616520.0 hours Leisure and sports
  • 2505360.0 hours Watching television

What happened on May 21 (100 years ago) over the years?

On May 21:

  • 1908 1st American horror movie silent film "Dr Jekyll & Mr Hyde" premieres in Chicago
  • 1904 Federation Internationale de Football Association (FIFA) forms in Paris

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