A View from the Back of the Envelope top

A dot for each day
Getting a feel for big numbers
Lots of dots
A dot for every second in the day

You can use Lots of dots to get a feel for time.

Here are three centuries, where each dot is a day, each row a year. 2017 day 348 (Dec 14)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Caveats - I have ignored leap days (the 366th day of the years). Some 75 of them here.
I'm not sure if there has been a calendar correction in the last 200 years. If so, I've ignored it.

one day

one week



~ 10 x 9

one year
(~20 × 18)

10 years

A View from the Back of the Envelope
Comments encouraged. - Mitchell N Charity <mcharity@lcs.mit.edu>


  Reference 10^x hrs, n years of life, life expectancy (late 20thC devworld diet/tech)
  Track mouse and show Y/M/D of current dot.
  Provide click through to something like dMarie Time Capsule.
  Not sure I like the boxes around the reference objects.

  2001-Jul-20  Fixed a layout bug with the "10 years" square.
  2001-Apr-17  Released.
  2001-Apr-16  Started.