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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.

Click on Advanced options to select a different pattern type, change the date order, include the time, and more.

Select search parameters:

17 patterns found for Sunday, September 29, 2013

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

Readable DateOrder of DateGrouped as DateGrouped as PatternType
Sep 29 at 12:09:29 amM-DD H:MI:SS9-29 0:09:299290-0929Palindrome (reverse)
Sep 29, 2013 at 12:31:02 amYYYY-MM-DD H:MI:SS2013-09-29 0:31:02201309-2-903102Palindrome (reverse)
Sep 29 at 1:19:29 amM-DD H:MI:SS9-29 1:19:299291-1929Palindrome (reverse)
Sep 29 at 2 amM-DD H9-29 292-92Repeats 2 x 2
Sep 29 at 2:29:29 amM-DD H:MI:SS9-29 2:29:299292-2929Palindrome (reverse)
Sep 29, 2013 at 3:19:29 amM-DD-YY HH:MI:SS9-29-13 03:19:2992913-0-31929Palindrome (reverse)
Sep 29, 2013 at 3:19:29 amM-DD-YY H:MI:SS9-29-13 3:19:2992913-31929Palindrome (reverse)
Sep 29 at 3 amM-DD H9-29 392-93Increasing numbers
Sep 29 at 3:39:29 amM-DD H:MI:SS9-29 3:39:299293-3929Palindrome (reverse)
Sep 29 at 4:49:29 amM-DD H:MI:SS9-29 4:49:299294-4929Palindrome (reverse)
Sep 29 at 5:59:29 amM-DD H:MI:SS9-29 5:59:299295-5929Palindrome (reverse)
Sep 29 at 9:29 amM-DD H:MI9-29 9:29929-929Palindrome (reverse)
Sep 29 at 9:29 amM-DD H:MI9-29 9:29929-929Repeats 3 x 2
Sep 29, 2013 at 10:29:29 amM-DD-YYYY HH:MI:SS9-29-2013 10:29:29929201-3-102929Palindrome (reverse)
Sep 29, 2013 at 1:19:29 pmM-DD-YY HH:MI:SS9-29-13 13:19:2992913-1-31929Palindrome (reverse)
Sep 29, 2013 at 11:19:29 pmM-DD-YY HH:MI:SS9-29-13 23:19:2992913-2-31929Palindrome (reverse)
Sep 29M-DD9-299-2-9Palindrome (reverse)

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 date (palindrome) or repeatable date.