- For everyday use, dates can be expressed using just three alphanumeric characters. Other formats usually do not have a fixed length and vary from six to ten characters.
- A four-character RickDate can be used to express unique dates within a range of 1296 years!
- Dates can be sorted by text-sorting programs.
- The consistency of the format facilitates easy searching.
- Because the format still reflects the year, month, and day, conversion to other formats is straightforward.

`0-9`

),
the base 36 system has 36 different digits (`0-9, A-Z`

).
Base 36 numbers are used to represent the year, month, and day, which
are then concatenated to create the date.
Example: My birthday this year was November 14, 1994. In RickDate,
it is expressed as 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, 10For those familiar with hexadecimal numbers (

`0-F`

),
this should be quite easy to grasp. The number after 1 = January 2 = February 3 = March 4 = April 5 = May 6 = June 7 = July 8 = August 9 = September A = October B = November C = DecemberAs you can see, B = November. The day of the month works the same way:

The chart shows us that the 14th day of the month is E. The year works the same way, except that the numbers are larger. If we extend the above chart, we get the following:(base36)(base10)1 = 1 2 = 2 3 = 3 4 = 4 5 = 5 6 = 6 7 = 7 8 = 8 9 = 9 A = 10 B = 11 C = 12 D = 13 E = 14 F = 15 G = 16 H = 17 I = 18 J = 19 K = 20 L = 21 M = 22 N = 23 O = 24 P = 25 Q = 26 R = 27 S = 28 T = 29 U = 30 V = 31

We see that(base36)(base10)W = 32 X = 33 Y = 34 Imagine that we have two gasoline pumps. Z = 35 The left pump uses base 36, and the right pump 10 = 36 uses base 10. When the one's digit on the right 11 = 37 pump reaches9, it rolls over to0and the ten's 12 = 38 digit is increased by one. Similarly, when the 13 = 39 one's digit on the left pump reachesZ, it rolls 14 = 40 over to0and the ten's digit is increased by one. 15 = 41...and skipping some lines...1Y = 70 1Z = 71 20 = 72 21 = 73...and skipping some more lines...2Z = 107 30 = 108...and skipping a bunch more lines...99 = 333 9A = 334...remember we're in base 36 on the left...9Z = 359 A0 = 360 A1 = 361...and jumping way ahead...ZX = 1293 ZY = 1294 ZZ = 1295 100 = 1296 101 = 1297...and shooting forward a bit more...1H0 = 1908...1I0 = 1944...1J0 = 1980 1J1 = 1981 1J2 = 1982...1J9 = 1989 1JA = 1990 1JB = 1991 1JC = 1992 1JD = 1993 1JE = 1994 1JF = 1995

- RickDate is being used by:
- A very small number of programmers to generate strings that look something like EBE_RWW, specifying both the date and initials of the person who has created or made a change to a document.
- Internationally unacclaimed artist walker as the method of dating and cataloging his artworks.
- Internationally unknown homepage author Ian.

Walker and I also use RickDate liberally in naming computer files.
It's easy to see that **RésuméE95** is more recent
than **RésuméD34**, plus the files are sorted
automatically for users with a decent file operating system.

Since Walker is an IT contractor, computer companies throughout Silicon Valley are now being infiltrated with RickDate.

I, of course, use RickDate everywhere, from time sheets to even tacking it onto the end of my signature (so that everything I sign is also dated--it makes it much easier to sort those credit card receipts, for example).

*Last updated: I5M*