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Date Pattern Calculator

Want to know if the digits in a date are sequential, repetitive, or can be read the same way forwards and backwards? Use the Date Pattern Calculator to find out unique and interesting mathematical patterns in different date formats.

For more options including pattern type, date order and to include time select the Advanced options checkbox.

Select period to look for patterns in

Select date

22 patterns found for Tuesday, November 12, 2013

Click on any row to see an animation of how the date pattern works

Readable dateOrder of dateGrouped as dateGrouped as patternType
Nov 12 at 12:11:21 amDD-MM HH:MI:SS12-11 00:11:2112110-01121Palindrome (reverse)
Nov 12 at 12:21:11 amMM-DD HH:MI:SS11-12 00:21:1111120-02111Palindrome (reverse)
Nov 12, 2013 at 1:11:21 amDD-MM-YY H:MI:SS12-11-13 1:11:2112111-3-11121Palindrome (reverse)
Nov 12, 2013 at 1:11:31 amYY-MM-DD H:MI:SS13-11-12 1:11:3113111-2-11131Palindrome (reverse)
Nov 12, 2013 at 1:21:11 amMM-DD-YY H:MI:SS11-12-13 1:21:1111121-3-12111Palindrome (reverse)
Nov 12 at 2:11:21 amDD-MM H:MI:SS12-11 2:11:21121-121-121Repeats 3 x 3
Nov 12 at 11:11:21 amDD-MM HH:MI:SS12-11 11:11:2112111-11121Palindrome (reverse)
Nov 12 at 11:21:11 amMM-DD HH:MI:SS11-12 11:21:1111121-12111Palindrome (reverse)
Nov 12 at 1 pmMM-DD HH11-12 1311-12-13Increasing numbers
Nov 12 at 1:14 pmMM-DD HH:MI11-12 13:1411-12-13-14Increasing numbers
Nov 12 at 1:14:15 pmMM-DD HH:MI:SS11-12 13:14:1511-12-13-14-15Increasing numbers
Nov 12, 2013 at 2 pmMM-DD-YY HH11-12-13 1411-12-13-14Increasing numbers
Nov 12, 2013 at 2:15 pmMM-DD-YY HH:MI11-12-13 14:1511-12-13-14-15Increasing numbers
Nov 12, 2013 at 2:15:16 pmMM-DD-YY HH:MI:SS11-12-13 14:15:1611-12-13-14-15-16Increasing numbers
Nov 12 at 9:11 pmMM-DD HH:MI11-12 21:111112-2111Palindrome (reverse)
Nov 12, 2013 at 9:11:31 pmYY-MM-DD HH:MI:SS13-11-12 21:11:31131112-211131Palindrome (reverse)
Nov 12 at 9 pmDD-MM HH12-11 21121-121Repeats 3 x 2
Nov 12 at 9 pmDD-MM HH12-11 21121-121Palindrome (reverse)
Nov 12 at 10:11:21 pmDD-MM HH:MI:SS12-11 22:11:2112112-21121Palindrome (reverse)
Nov 12 at 10:21:11 pmMM-DD HH:MI:SS11-12 22:21:1111122-22111Palindrome (reverse)
Nov 12MM-DD11-1211-12Increasing numbers
Nov 12, 2013MM-DD-YY11-12-1311-12-13Increasing numbers

The results table highlights the dates that are most interesting and easiest to read in green. The type of pattern shows whether the date is a reversible (palindrome) or repeatable date.

Special Date Combinations

  1. Palindrome Day
  2. The 823 Years Myth
  3. 12/12/12
  4. 11/11/11
  5. 10/10/10
  6. Date Pattern Calculator

Special Calendar Dates


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