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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:


13 patterns found for Thursday, September 17, 2020

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

Readable DateOrder of DateGrouped as DateGrouped as PatternType
Sep 17 at 12:07:19 amM-DD H:MI:SS9-17 0:07:199170-0719Palindrome (reverse)
Sep 17, 2020 at 12:27:19 amM-DD-YY H:MI:SS9-17-20 0:27:1991720-02719Palindrome (reverse)
Sep 17, 2020 at 12:27:19 amM-DD-YY HH:MI:SS9-17-20 00:27:1991720-0-02719Palindrome (reverse)
Sep 17 at 1:17:19 amM-DD H:MI:SS9-17 1:17:199171-1719Palindrome (reverse)
Sep 17 at 2:27:19 amM-DD H:MI:SS9-17 2:27:199172-2719Palindrome (reverse)
Sep 17 at 3:37:19 amM-DD H:MI:SS9-17 3:37:199173-3719Palindrome (reverse)
Sep 17 at 4:47:19 amM-DD H:MI:SS9-17 4:47:199174-4719Palindrome (reverse)
Sep 17 at 5:57:19 amM-DD H:MI:SS9-17 5:57:199175-5719Palindrome (reverse)
Sep 17 at 7:19 amM-DD H:MI9-17 7:19917-719Palindrome (reverse)
Sep 17, 2020 at 10:27:19 amM-DD-YY HH:MI:SS9-17-20 10:27:1991720-1-02719Palindrome (reverse)
Sep 17, 2020 at 7:02:02 pmYYYY-M-DD HH:MI:SS2020-9-17 19:02:02202091-7-190202Palindrome (reverse)
Sep 17, 2020 at 8:27:19 pmM-DD-YYYY HH:MI:SS9-17-2020 20:27:19917202-0-202719Palindrome (reverse)
Sep 17, 2020 at 8:27:19 pmM-DD-YY HH:MI:SS9-17-20 20:27:1991720-2-02719Palindrome (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.

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