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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.

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205 patterns found for December 2012

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

Readable DateOrder of DateGrouped as DateGrouped as PatternType
Dec 1 at 12:11:20 amD-MM H:MI:SS1-12 0:11:201120-1120Repeats 4 x 2
Dec 1 at 12:12:10 amMM-D H:MI:SS12-1 0:12:101210-1210Repeats 4 x 2
Dec 1, 2012 at 12 amMM-DD-YYYY H12-01-2012 0120-120-120Repeats 3 x 3
Dec 1 at 1:11:21 amD-MM H:MI:SS1-12 1:11:211121-1121Repeats 4 x 2
Dec 1, 2012 at 1:12:01 amMM-DD-YY HH:MI:SS12-01-12 01:12:011201-1201-1201Repeats 4 x 3
Dec 1 at 1:12:11 amMM-D H:MI:SS12-1 1:12:111211-1211Repeats 4 x 2
Dec 1, 2012 at 1:20 amMM-DD-YYYY HH:MI12-01-2012 01:20120-120-120-120Repeats 3 x 4
Dec 1, 2012 at 1 amMM-DD-YY HH12-01-12 011201-1201Repeats 4 x 2
Dec 1, 2012 at 1 amMM-D-YY H12-1-12 1121-121Repeats 3 x 2
Dec 1 at 2:11:22 amD-MM H:MI:SS1-12 2:11:221122-1122Repeats 4 x 2
Dec 1 at 2:12 amMM-D H:MI12-1 2:1212-12-12Repeats 2 x 3
Dec 1 at 2:12:12 amMM-D H:MI:SS12-1 2:12:1212-12-12-12Repeats 2 x 4
Dec 1 at 2 amMM-D H12-1 212-12Repeats 2 x 2
Dec 1 at 3:11:23 amD-MM H:MI:SS1-12 3:11:231123-1123Repeats 4 x 2
Dec 1 at 3:14:15 amMM-D H:MI:SS12-1 3:14:1512-13-14-15Increasing numbers
Dec 1 at 4:11:24 amD-MM H:MI:SS1-12 4:11:241124-1124Repeats 4 x 2
Dec 1 at 4:12:14 amMM-D H:MI:SS12-1 4:12:141214-1214Repeats 4 x 2
Dec 1 at 5:11:25 amD-MM H:MI:SS1-12 5:11:251125-1125Repeats 4 x 2
Dec 1 at 5:12:15 amMM-D H:MI:SS12-1 5:12:151215-1215Repeats 4 x 2
Dec 1 at 6:11:26 amD-MM H:MI:SS1-12 6:11:261126-1126Repeats 4 x 2
Dec 1 at 6:12:16 amMM-D H:MI:SS12-1 6:12:161216-1216Repeats 4 x 2
Dec 1 at 7:11:27 amD-MM H:MI:SS1-12 7:11:271127-1127Repeats 4 x 2
Dec 1 at 7:12:17 amMM-D H:MI:SS12-1 7:12:171217-1217Repeats 4 x 2
Dec 1 at 8:11:28 amD-MM H:MI:SS1-12 8:11:281128-1128Repeats 4 x 2
Dec 1 at 8:12:18 amMM-D H:MI:SS12-1 8:12:181218-1218Repeats 4 x 2
Dec 1 at 9:11:29 amD-MM H:MI:SS1-12 9:11:291129-1129Repeats 4 x 2
Dec 1 at 9:12:19 amMM-D H:MI:SS12-1 9:12:191219-1219Repeats 4 x 2
Dec 1, 2012 at 11:21 amMM-D-YY HH:MI12-1-12 11:21121-121-121Repeats 3 x 3
Dec 1, 2012 at 11:21 amMM-D-YY HH:MI12-1-12 11:21121-121-121Repeats 3 x 3
Dec 1 at 12:11:21 pmMM-D HH:MI:SS12-1 12:11:21121-121-121Repeats 3 x 3
Dec 1 at 8 pmMM-DD HH12-01 20120-120Repeats 3 x 2
Dec 1MM-D12-11-2-1Palindrome (reverse)
Dec 2 at 12:12:20 amMM-D H:MI:SS12-2 0:12:201220-1220Repeats 4 x 2
Dec 2 at 12:21:20 amD-MM H:MI:SS2-12 0:21:202120-2120Repeats 4 x 2
Dec 2 at 12:21:20 amDD-MM HH:MI:SS02-12 00:21:2002120-02120Repeats 5 x 2
Dec 2 at 1 amD-MM H2-12 121-21Repeats 2 x 2
Dec 2 at 1:12:21 amMM-D H:MI:SS12-2 1:12:211221-1221Repeats 4 x 2
Dec 2, 2012 at 1 amD-MM-YY H2-12-12 121-21-21Repeats 2 x 3
Dec 2 at 1:21 amD-MM H:MI2-12 1:2121-21-21Repeats 2 x 3
Dec 2, 2012 at 1:21 amD-MM-YY H:MI2-12-12 1:2121-21-21-21Repeats 2 x 4
Dec 2 at 1:21:21 amD-MM H:MI:SS2-12 1:21:2121-21-21-21Repeats 2 x 4
Dec 2, 2012 at 1:21:21 amD-MM-YY H:MI:SS2-12-12 1:21:2121-21-21-21-21Repeats 2 x 5
Dec 2, 2012 at 2:12:02 amMM-DD-YY HH:MI:SS12-02-12 02:12:021202-1202-1202Repeats 4 x 3
Dec 2, 2012 at 2:12:12 amD-MM-YY H:MI:SS2-12-12 2:12:1221212-21212Repeats 5 x 2
Dec 2 at 2:12:22 amMM-D H:MI:SS12-2 2:12:221222-1222Repeats 4 x 2
Dec 2, 2012 at 2 amMM-DD-YY HH12-02-12 021202-1202Repeats 4 x 2
Dec 2, 2012 at 2 amMM-D-YY H12-2-12 2122-122Repeats 3 x 2
Dec 2 at 2:23:24 amD-MM H:MI:SS2-12 2:23:2421-22-23-24Increasing numbers
Dec 2 at 3:12:23 amMM-D H:MI:SS12-2 3:12:231223-1223Repeats 4 x 2
Dec 2 at 3:21:23 amD-MM H:MI:SS2-12 3:21:232123-2123Repeats 4 x 2
Dec 2 at 4:12:24 amMM-D H:MI:SS12-2 4:12:241224-1224Repeats 4 x 2
Dec 2 at 4:21:24 amD-MM H:MI:SS2-12 4:21:242124-2124Repeats 4 x 2
Dec 2 at 5:12:25 amMM-D H:MI:SS12-2 5:12:251225-1225Repeats 4 x 2
Dec 2 at 5:21:25 amD-MM H:MI:SS2-12 5:21:252125-2125Repeats 4 x 2
Dec 2 at 6:12:26 amMM-D H:MI:SS12-2 6:12:261226-1226Repeats 4 x 2
Dec 2 at 6:21:26 amD-MM H:MI:SS2-12 6:21:262126-2126Repeats 4 x 2
Dec 2 at 7:12:27 amMM-D H:MI:SS12-2 7:12:271227-1227Repeats 4 x 2
Dec 2 at 7:21:27 amD-MM H:MI:SS2-12 7:21:272127-2127Repeats 4 x 2
Dec 2 at 8:12:28 amMM-D H:MI:SS12-2 8:12:281228-1228Repeats 4 x 2
Dec 2 at 8:21:28 amD-MM H:MI:SS2-12 8:21:282128-2128Repeats 4 x 2
Dec 2 at 9:12:29 amMM-D H:MI:SS12-2 9:12:291229-1229Repeats 4 x 2
Dec 2 at 9:21:29 amD-MM H:MI:SS2-12 9:21:292129-2129Repeats 4 x 2
Dec 2 at 11:20:21 amMM-DD HH:MI:SS12-02 11:20:2112021-12021Repeats 5 x 2
Dec 2, 2012 at 9:22 pmMM-D-YY HH:MI12-2-12 21:22122-122-122Repeats 3 x 3
Dec 2 at 9:22:12 pmD-MM HH:MI:SS2-12 21:22:12212-212-212Repeats 3 x 3
Dec 2D-MM2-122-1-2Palindrome (reverse)
Dec 2, 2012D-MM-YY2-12-1221-2-12Palindrome (reverse)
Dec 3 at 12:12:30 amMM-D H:MI:SS12-3 0:12:301230-1230Repeats 4 x 2
Dec 3 at 12:31:20 amD-MM H:MI:SS3-12 0:31:203120-3120Repeats 4 x 2
Dec 3 at 1:12:31 amMM-D H:MI:SS12-3 1:12:311231-1231Repeats 4 x 2
Dec 3 at 1:31:21 amD-MM H:MI:SS3-12 1:31:213121-3121Repeats 4 x 2
Dec 3 at 2:12:32 amMM-D H:MI:SS12-3 2:12:321232-1232Repeats 4 x 2
Dec 3 at 2:31:22 amD-MM H:MI:SS3-12 2:31:223122-3122Repeats 4 x 2
Dec 3, 2012 at 3:12:03 amMM-DD-YY HH:MI:SS12-03-12 03:12:031203-1203-1203Repeats 4 x 3
Dec 3 at 3:12:33 amMM-D H:MI:SS12-3 3:12:331233-1233Repeats 4 x 2
Dec 3, 2012 at 3 amMM-D-YY H12-3-12 3123-123Repeats 3 x 2
Dec 3, 2012 at 3 amMM-DD-YY HH12-03-12 031203-1203Repeats 4 x 2
Dec 3 at 3:31:23 amD-MM H:MI:SS3-12 3:31:233123-3123Repeats 4 x 2
Dec 3 at 4:31:24 amD-MM H:MI:SS3-12 4:31:243124-3124Repeats 4 x 2
Dec 3 at 5:12:35 amMM-D H:MI:SS12-3 5:12:351235-1235Repeats 4 x 2
Dec 3 at 5:31:25 amD-MM H:MI:SS3-12 5:31:253125-3125Repeats 4 x 2
Dec 3 at 6:12:36 amMM-D H:MI:SS12-3 6:12:361236-1236Repeats 4 x 2
Dec 3 at 6:31:26 amD-MM H:MI:SS3-12 6:31:263126-3126Repeats 4 x 2
Dec 3 at 7:12:37 amMM-D H:MI:SS12-3 7:12:371237-1237Repeats 4 x 2
Dec 3 at 7:31:27 amD-MM H:MI:SS3-12 7:31:273127-3127Repeats 4 x 2
Dec 3 at 8:12:38 amMM-D H:MI:SS12-3 8:12:381238-1238Repeats 4 x 2
Dec 3 at 8:31:28 amD-MM H:MI:SS3-12 8:31:283128-3128Repeats 4 x 2
Dec 3 at 9:12:39 amMM-D H:MI:SS12-3 9:12:391239-1239Repeats 4 x 2
Dec 3 at 9:31:29 amD-MM H:MI:SS3-12 9:31:293129-3129Repeats 4 x 2
Dec 3MM-D12-31-2-3Increasing numbers
Dec 4 at 12:12:40 amMM-D H:MI:SS12-4 0:12:401240-1240Repeats 4 x 2
Dec 4 at 12:41:20 amD-MM H:MI:SS4-12 0:41:204120-4120Repeats 4 x 2
Dec 4 at 1:12:41 amMM-D H:MI:SS12-4 1:12:411241-1241Repeats 4 x 2
Dec 4 at 1:41:21 amD-MM H:MI:SS4-12 1:41:214121-4121Repeats 4 x 2
Dec 4 at 2:12:42 amMM-D H:MI:SS12-4 2:12:421242-1242Repeats 4 x 2
Dec 4 at 2:41:22 amD-MM H:MI:SS4-12 2:41:224122-4122Repeats 4 x 2
Dec 4 at 3:12:43 amMM-D H:MI:SS12-4 3:12:431243-1243Repeats 4 x 2
Dec 4 at 3:41:23 amD-MM H:MI:SS4-12 3:41:234123-4123Repeats 4 x 2
Dec 4, 2012 at 4:12:04 amMM-DD-YY HH:MI:SS12-04-12 04:12:041204-1204-1204Repeats 4 x 3
Dec 4 at 4:12:44 amMM-D H:MI:SS12-4 4:12:441244-1244Repeats 4 x 2
Dec 4, 2012 at 4 amMM-DD-YY HH12-04-12 041204-1204Repeats 4 x 2
Dec 4, 2012 at 4 amMM-D-YY H12-4-12 4124-124Repeats 3 x 2
Dec 4 at 4:41:24 amD-MM H:MI:SS4-12 4:41:244124-4124Repeats 4 x 2
Dec 4 at 5:12:45 amMM-D H:MI:SS12-4 5:12:451245-1245Repeats 4 x 2
Dec 4 at 5:41:25 amD-MM H:MI:SS4-12 5:41:254125-4125Repeats 4 x 2
Dec 4 at 6:12:46 amMM-D H:MI:SS12-4 6:12:461246-1246Repeats 4 x 2
Dec 4 at 6:41:26 amD-MM H:MI:SS4-12 6:41:264126-4126Repeats 4 x 2
Dec 4 at 7:12:47 amMM-D H:MI:SS12-4 7:12:471247-1247Repeats 4 x 2
Dec 4 at 7:41:27 amD-MM H:MI:SS4-12 7:41:274127-4127Repeats 4 x 2
Dec 4 at 8:12:48 amMM-D H:MI:SS12-4 8:12:481248-1248Repeats 4 x 2
Dec 4 at 8:41:28 amD-MM H:MI:SS4-12 8:41:284128-4128Repeats 4 x 2
Dec 4 at 9:12:49 amMM-D H:MI:SS12-4 9:12:491249-1249Repeats 4 x 2
Dec 4 at 9:41:29 amD-MM H:MI:SS4-12 9:41:294129-4129Repeats 4 x 2
Dec 5 at 12:12:50 amMM-D H:MI:SS12-5 0:12:501250-1250Repeats 4 x 2
Dec 5 at 12:51:20 amD-MM H:MI:SS5-12 0:51:205120-5120Repeats 4 x 2
Dec 5 at 1:12:51 amMM-D H:MI:SS12-5 1:12:511251-1251Repeats 4 x 2
Dec 5 at 1:51:21 amD-MM H:MI:SS5-12 1:51:215121-5121Repeats 4 x 2
Dec 5 at 2:12:52 amMM-D H:MI:SS12-5 2:12:521252-1252Repeats 4 x 2
Dec 5 at 2:51:22 amD-MM H:MI:SS5-12 2:51:225122-5122Repeats 4 x 2
Dec 5 at 3:12:53 amMM-D H:MI:SS12-5 3:12:531253-1253Repeats 4 x 2
Dec 5 at 3:51:23 amD-MM H:MI:SS5-12 3:51:235123-5123Repeats 4 x 2
Dec 5 at 4:12:54 amMM-D H:MI:SS12-5 4:12:541254-1254Repeats 4 x 2
Dec 5 at 4:51:24 amD-MM H:MI:SS5-12 4:51:245124-5124Repeats 4 x 2
Dec 5, 2012 at 5:12:05 amMM-DD-YY HH:MI:SS12-05-12 05:12:051205-1205-1205Repeats 4 x 3
Dec 5 at 5:12:55 amMM-D H:MI:SS12-5 5:12:551255-1255Repeats 4 x 2
Dec 5, 2012 at 5 amMM-DD-YY HH12-05-12 051205-1205Repeats 4 x 2
Dec 5, 2012 at 5 amMM-D-YY H12-5-12 5125-125Repeats 3 x 2
Dec 5 at 5:51:25 amD-MM H:MI:SS5-12 5:51:255125-5125Repeats 4 x 2
Dec 5 at 6:12:56 amMM-D H:MI:SS12-5 6:12:561256-1256Repeats 4 x 2
Dec 5 at 6:51:26 amD-MM H:MI:SS5-12 6:51:265126-5126Repeats 4 x 2
Dec 5 at 7:12:57 amMM-D H:MI:SS12-5 7:12:571257-1257Repeats 4 x 2
Dec 5 at 7:51:27 amD-MM H:MI:SS5-12 7:51:275127-5127Repeats 4 x 2
Dec 5 at 8:12:58 amMM-D H:MI:SS12-5 8:12:581258-1258Repeats 4 x 2
Dec 5 at 8:51:28 amD-MM H:MI:SS5-12 8:51:285128-5128Repeats 4 x 2
Dec 5 at 9:12:59 amMM-D H:MI:SS12-5 9:12:591259-1259Repeats 4 x 2
Dec 5 at 9:51:29 amD-MM H:MI:SS5-12 9:51:295129-5129Repeats 4 x 2
Dec 6, 2012 at 6:12:06 amMM-DD-YY HH:MI:SS12-06-12 06:12:061206-1206-1206Repeats 4 x 3
Dec 6, 2012 at 6 amMM-D-YY H12-6-12 6126-126Repeats 3 x 2
Dec 6, 2012 at 6 amMM-DD-YY HH12-06-12 061206-1206Repeats 4 x 2
Dec 7, 2012 at 7:12:07 amMM-DD-YY HH:MI:SS12-07-12 07:12:071207-1207-1207Repeats 4 x 3
Dec 7, 2012 at 7 amMM-D-YY H12-7-12 7127-127Repeats 3 x 2
Dec 7, 2012 at 7 amMM-DD-YY HH12-07-12 071207-1207Repeats 4 x 2
Dec 8, 2012 at 8:12:08 amMM-DD-YY HH:MI:SS12-08-12 08:12:081208-1208-1208Repeats 4 x 3
Dec 8, 2012 at 8 amMM-DD-YY HH12-08-12 081208-1208Repeats 4 x 2
Dec 8, 2012 at 8 amMM-D-YY H12-8-12 8128-128Repeats 3 x 2
Dec 9, 2012 at 9:12:09 amMM-DD-YY HH:MI:SS12-09-12 09:12:091209-1209-1209Repeats 4 x 3
Dec 9, 2012 at 9 amMM-DD-YY HH12-09-12 091209-1209Repeats 4 x 2
Dec 9, 2012 at 9 amMM-D-YY H12-9-12 9129-129Repeats 3 x 2
Dec 10, 2012 at 10:12:10 amMM-DD-YY HH:MI:SS12-10-12 10:12:101210-1210-1210Repeats 4 x 3
Dec 10, 2012 at 10 amMM-DD-YY HH12-10-12 101210-1210Repeats 4 x 2
Dec 11 at 2:11:21 amMM-DD H:MI:SS12-11 2:11:21121-121-121Repeats 3 x 3
Dec 11, 2012 at 11:12:11 amMM-DD-YY HH:MI:SS12-11-12 11:12:111211-1211-1211Repeats 4 x 3
Dec 11, 2012 at 11 amMM-DD-YY HH12-11-12 111211-1211Repeats 4 x 2
Dec 11 at 1:14 pmDD-MM HH:MI11-12 13:1411-12-13-14Increasing numbers
Dec 11 at 1:14:15 pmDD-MM HH:MI:SS11-12 13:14:1511-12-13-14-15Increasing numbers
Dec 11 at 9 pmMM-DD HH12-11 21121-121Repeats 3 x 2
Dec 11, 2012 at 9:21 pmYY-MM-DD HH:MI12-12-11 21:2112121-12121Repeats 5 x 2
Dec 11DD-MM11-1211-12Increasing numbers
Dec 12 at 11:21:21 amMM-DD HH:MI:SS12-12 11:21:2112121-12121Repeats 5 x 2
Dec 12, 2012 at 12 pmYY-MM-DD HH12-12-12 1212-12-12-12Repeats 2 x 4
Dec 12, 2012 at 12:12 pmYY-MM-DD HH:MI12-12-12 12:1212-12-12-12-12Repeats 2 x 5
Dec 12 at 12:12 pmMM-DD HH:MI12-12 12:1212-12-12-12Repeats 2 x 4
Dec 12, 2012 at 12:12:12 pmYY-MM-DD HH:MI:SS12-12-12 12:12:1212-12-12-12-12-12Repeats 2 x 6
Dec 12 at 12:12:12 pmMM-DD HH:MI:SS12-12 12:12:1212-12-12-12-12Repeats 2 x 5
Dec 12 at 12 pmMM-DD HH12-12 1212-12-12Repeats 2 x 3
Dec 12, 2012YY-MM-DD12-12-1212-12-12Repeats 2 x 3
Dec 12MM-DD12-1212-12Repeats 2 x 2
Dec 13, 2012 at 1:12:13 pmMM-DD-YY HH:MI:SS12-13-12 13:12:131213-1213-1213Repeats 4 x 3
Dec 13, 2012 at 1 pmMM-DD-YY HH12-13-12 131213-1213Repeats 4 x 2
Dec 13 at 2:15 pmMM-DD HH:MI12-13 14:1512-13-14-15Increasing numbers
Dec 13 at 2:15:16 pmMM-DD HH:MI:SS12-13 14:15:1612-13-14-15-16Increasing numbers
Dec 13MM-DD12-1312-13Increasing numbers
Dec 14, 2012 at 2:12:14 pmMM-DD-YY HH:MI:SS12-14-12 14:12:141214-1214-1214Repeats 4 x 3
Dec 14, 2012 at 2 pmMM-DD-YY HH12-14-12 141214-1214Repeats 4 x 2
Dec 15, 2012 at 3:12:15 pmMM-DD-YY HH:MI:SS12-15-12 15:12:151215-1215-1215Repeats 4 x 3
Dec 15, 2012 at 3 pmMM-DD-YY HH12-15-12 151215-1215Repeats 4 x 2
Dec 16, 2012 at 4:12:16 pmMM-DD-YY HH:MI:SS12-16-12 16:12:161216-1216-1216Repeats 4 x 3
Dec 16, 2012 at 4 pmMM-DD-YY HH12-16-12 161216-1216Repeats 4 x 2
Dec 17, 2012 at 5:12:17 pmMM-DD-YY HH:MI:SS12-17-12 17:12:171217-1217-1217Repeats 4 x 3
Dec 17, 2012 at 5 pmMM-DD-YY HH12-17-12 171217-1217Repeats 4 x 2
Dec 18, 2012 at 6:12:18 pmMM-DD-YY HH:MI:SS12-18-12 18:12:181218-1218-1218Repeats 4 x 3
Dec 18, 2012 at 6 pmMM-DD-YY HH12-18-12 181218-1218Repeats 4 x 2
Dec 19, 2012 at 7:12:19 pmMM-DD-YY HH:MI:SS12-19-12 19:12:191219-1219-1219Repeats 4 x 3
Dec 19, 2012 at 7 pmMM-DD-YY HH12-19-12 191219-1219Repeats 4 x 2
Dec 20 at 1 amDD-MM HH20-12 01201-201Repeats 3 x 2
Dec 20, 2012 at 8:12 pmDD-MM-YYYY HH:MI20-12-2012 20:122012-2012-2012Repeats 4 x 3
Dec 20, 2012 at 8:12:20 pmMM-DD-YY HH:MI:SS12-20-12 20:12:201220-1220-1220Repeats 4 x 3
Dec 20, 2012 at 8 pmMM-DD-YY HH12-20-12 201220-1220Repeats 4 x 2
Dec 20, 2012DD-MM-YYYY20-12-20122012-2012Repeats 4 x 2
Dec 21 at 11 amDD-MM HH21-12 11211-211Repeats 3 x 2
Dec 21 at 12:21 pmMM-DD HH:MI12-21 12:211221-1221Repeats 4 x 2
Dec 21 at 9:12 pmDD-MM HH:MI21-12 21:122112-2112Repeats 4 x 2
Dec 21, 2012 at 9:12:21 pmMM-DD-YY HH:MI:SS12-21-12 21:12:211221-1221-1221Repeats 4 x 3
Dec 21, 2012 at 9 pmMM-DD-YY HH12-21-12 211221-1221Repeats 4 x 2
Dec 21 at 10 pmMM-DD HH12-21 22122-122Repeats 3 x 2
Dec 21MM-DD12-2112-21Palindrome (reverse)
Dec 21DD-MM21-1221-12Palindrome (reverse)
Dec 22 at 11:22:21 amMM-DD HH:MI:SS12-22 11:22:2112221-12221Repeats 5 x 2
Dec 22 at 9 pmDD-MM HH22-12 21221-221Repeats 3 x 2
Dec 22, 2012 at 10:12:22 pmMM-DD-YY HH:MI:SS12-22-12 22:12:221222-1222-1222Repeats 4 x 3
Dec 22, 2012 at 10 pmMM-DD-YY HH12-22-12 221222-1222Repeats 4 x 2
Dec 22 at 10:21:22 pmDD-MM HH:MI:SS22-12 22:21:2222122-22122Repeats 5 x 2
Dec 23, 2012 at 11:12:23 pmMM-DD-YY HH:MI:SS12-23-12 23:12:231223-1223-1223Repeats 4 x 3
Dec 23, 2012 at 11 pmMM-DD-YY HH12-23-12 231223-1223Repeats 4 x 2
Dec 31 at 11 pmMM-DD HH12-31 23123-123Repeats 3 x 2

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.