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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


61 patterns found for Tuesday, February 20, 2018

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

Readable dateOrder of dateGrouped as dateGrouped as patternType
Feb 20 at 12:00:22 amM-DD H:MI:SS2-20 0:00:222200-0022Palindrome (reverse)
Feb 20 at 12 amDD-M H20-2 020-20Repeats 2 x 2
Feb 20 at 12 amDD-MM HH20-02 00200-200Repeats 3 x 2
Feb 20 at 12:02:02 amDD-M H:MI:SS20-2 0:02:022020-0202Palindrome (reverse)
Feb 20 at 12:02:20 amMM-DD HH:MI:SS02-20 00:02:2002200-00220Palindrome (reverse)
Feb 20 at 12:20 amDD-M H:MI20-2 0:2020-20-20Repeats 2 x 3
Feb 20 at 12:20:02 amDD-MM HH:MI:SS20-02 00:20:0220020-02002Palindrome (reverse)
Feb 20 at 12:20:20 amDD-M H:MI:SS20-2 0:20:2020-20-20-20Repeats 2 x 4
Feb 20 at 12:22:00 amM-DD H:MI:SS2-20 0:22:002200-2200Repeats 4 x 2
Feb 20 at 1 amDD-M H20-2 120-21Increasing numbers
Feb 20, 2018 at 1:02:20 amMM-DD-YY H:MI:SS02-20-18 1:02:2002201-8-10220Palindrome (reverse)
Feb 20 at 1:10:22 amM-DD H:MI:SS2-20 1:10:222201-1022Palindrome (reverse)
Feb 20 at 1:12:02 amDD-M H:MI:SS20-2 1:12:022021-1202Palindrome (reverse)
Feb 20, 2018 at 1:20:02 amDD-MM-YY H:MI:SS20-02-18 1:20:0220021-8-12002Palindrome (reverse)
Feb 20 at 1:22 amDD-M H:MI20-2 1:2220-21-22Increasing numbers
Feb 20 at 1:22:01 amM-DD H:MI:SS2-20 1:22:012201-2201Repeats 4 x 2
Feb 20 at 1:22:23 amDD-M H:MI:SS20-2 1:22:2320-21-22-23Increasing numbers
Feb 20 at 2:20 amMM-DD HH:MI02-20 02:200220-0220Palindrome (reverse)
Feb 20 at 2:20 amMM-DD HH:MI02-20 02:200220-0220Repeats 4 x 2
Feb 20 at 2:20:22 amM-DD H:MI:SS2-20 2:20:222202-2022Palindrome (reverse)
Feb 20 at 2:20:22 amDD-M H:MI:SS20-2 2:20:222022-2022Repeats 4 x 2
Feb 20 at 2:22:02 amM-DD H:MI:SS2-20 2:22:022202-2202Repeats 4 x 2
Feb 20 at 2:22:02 amDD-M H:MI:SS20-2 2:22:022022-2202Palindrome (reverse)
Feb 20 at 3:20:23 amDD-M H:MI:SS20-2 3:20:232023-2023Repeats 4 x 2
Feb 20 at 3:22:03 amM-DD H:MI:SS2-20 3:22:032203-2203Repeats 4 x 2
Feb 20 at 3:30:22 amM-DD H:MI:SS2-20 3:30:222203-3022Palindrome (reverse)
Feb 20 at 3:32:02 amDD-M H:MI:SS20-2 3:32:022023-3202Palindrome (reverse)
Feb 20 at 4:20:24 amDD-M H:MI:SS20-2 4:20:242024-2024Repeats 4 x 2
Feb 20 at 4:22:04 amM-DD H:MI:SS2-20 4:22:042204-2204Repeats 4 x 2
Feb 20 at 4:40:22 amM-DD H:MI:SS2-20 4:40:222204-4022Palindrome (reverse)
Feb 20 at 4:42:02 amDD-M H:MI:SS20-2 4:42:022024-4202Palindrome (reverse)
Feb 20 at 5:20:25 amDD-M H:MI:SS20-2 5:20:252025-2025Repeats 4 x 2
Feb 20 at 5:22:05 amM-DD H:MI:SS2-20 5:22:052205-2205Repeats 4 x 2
Feb 20 at 5:50:22 amM-DD H:MI:SS2-20 5:50:222205-5022Palindrome (reverse)
Feb 20 at 5:52:02 amDD-M H:MI:SS20-2 5:52:022025-5202Palindrome (reverse)
Feb 20 at 6:20:26 amDD-M H:MI:SS20-2 6:20:262026-2026Repeats 4 x 2
Feb 20 at 6:22:06 amM-DD H:MI:SS2-20 6:22:062206-2206Repeats 4 x 2
Feb 20 at 7:20:27 amDD-M H:MI:SS20-2 7:20:272027-2027Repeats 4 x 2
Feb 20 at 7:22:07 amM-DD H:MI:SS2-20 7:22:072207-2207Repeats 4 x 2
Feb 20, 2018 at 8:10:22 amM-DD-YY H:MI:SS2-20-18 8:10:2222018-81022Palindrome (reverse)
Feb 20, 2018 at 8:10:22 amM-DD-YY HH:MI:SS2-20-18 08:10:2222018-0-81022Palindrome (reverse)
Feb 20, 2018 at 8:12:02 amDD-M-YY HH:MI:SS20-2-18 08:12:0220218-0-81202Palindrome (reverse)
Feb 20, 2018 at 8:12:02 amDD-M-YY H:MI:SS20-2-18 8:12:0220218-81202Palindrome (reverse)
Feb 20 at 8:20:28 amDD-M H:MI:SS20-2 8:20:282028-2028Repeats 4 x 2
Feb 20 at 8:22:08 amM-DD H:MI:SS2-20 8:22:082208-2208Repeats 4 x 2
Feb 20 at 9:20:29 amDD-M H:MI:SS20-2 9:20:292029-2029Repeats 4 x 2
Feb 20 at 9:22:09 amM-DD H:MI:SS2-20 9:22:092209-2209Repeats 4 x 2
Feb 20, 2018 at 10:20:22 amM-DD-YYYY HH:MI:SS2-20-2018 10:20:22220201-8-102022Palindrome (reverse)
Feb 20 at 11:02:20 amMM-DD HH:MI:SS02-20 11:02:2002201-10220Palindrome (reverse)
Feb 20 at 11:20:02 amDD-MM HH:MI:SS20-02 11:20:0220021-12002Palindrome (reverse)
Feb 20, 2018 at 6:10:22 pmM-DD-YY HH:MI:SS2-20-18 18:10:2222018-1-81022Palindrome (reverse)
Feb 20, 2018 at 6:12:02 pmDD-M-YY HH:MI:SS20-2-18 18:12:0220218-1-81202Palindrome (reverse)
Feb 20 at 8:02 pmDD-MM HH:MI20-02 20:022002-2002Palindrome (reverse)
Feb 20 at 8:02 pmDD-MM HH:MI20-02 20:022002-2002Repeats 4 x 2
Feb 20 at 8:22:02 pmDD-M HH:MI:SS20-2 20:22:02202-202-202Repeats 3 x 3
Feb 20 at 10:02:20 pmMM-DD HH:MI:SS02-20 22:02:2002202-20220Palindrome (reverse)
Feb 20 at 10 pmMM-DD HH02-20 22022-022Repeats 3 x 2
Feb 20 at 10:20:02 pmDD-MM HH:MI:SS20-02 22:20:0220022-22002Palindrome (reverse)
Feb 20MM-DD02-2002-20Palindrome (reverse)
Feb 20DD-M20-22-0-2Palindrome (reverse)
Feb 20DD-MM20-0220-02Palindrome (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 (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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