Every Day Counts
Hexagonal Days
 
Age: 12,109 days
Date of birth
Your 65th Hexagonal Day is on
Thursday
when you will be
12,481 days old

Hexagonal Days occur when your day age is a centred hexagonal number.

A centred hexagonal number, or hex number, is a centred figurate number that represents a hexagon with a dot in the centre and all other dots surrounding the centre dot in a hexagonal lattice.

Strictly, a hexagonal number is the number of distinct dots in a pattern of dots consisting of the outlines of regular hexagons with sides up to n dots, when the hexagons are overlaid so that they share one vertex.

We choose to use centred hexagonal numbers to calculate our Hexagonal Days because all (outlined) hexagonal numbers are also triangular numbers and these are already commemorated in our Triangular Days.

Centred Hexagonal
1
7
19
37
61
91
Hexagonal
1
6
15
28
45
66
91
Triangular
1
3
6
10
15
21
28
36
45
55
66
78
91

Remind me, please


Next Main Events
Day Age
Event
Days Ahead
Year Age
04 Nov 2019
12,121
12
33
20 Dec 2019
12,167
58
33
08 Mar 2020
12,246
137
33
22 May 2020
12,321
212
33
15 Jun 2020
12,345
236
33
30 Aug 2020
12,421
312
34
29 Oct 2020
12,481
372
34
17 Nov 2020
12,500
391
34
01 Apr 2022
13,000
891
35
13 Oct 2028
15,387
3,278
42
07 Jul 2031
16,384
4,275
44
23 Feb 2035
17,711
5,602
48
01 Jul 2047
22,222
10,113
60
12 Jan 2050
23,148
11,039
63
Ordinal
Day Age
Date
Age
64th
12,097
11 Oct 2019
33
65th
12,481
29 Oct 2020
34
1
66th
12,871
23 Nov 2021
35
67th
13,267
24 Dec 2022
36
68th
13,669
30 Jan 2024
37
69th
14,077
13 Mar 2025
38
70th
14,491
01 May 2026
39
71st
14,911
25 Jun 2027
40
72nd
15,337
24 Aug 2028
41
73rd
15,769
30 Oct 2029
43
74th
16,207
11 Jan 2031
44
75th
16,651
30 Mar 2032
45
76th
17,101
23 Jun 2033
46
77th
17,557
22 Sep 2034
48
78th
18,019
28 Dec 2035
49
79th
18,487
09 Apr 2037
50
80th
18,961
27 Jul 2038
51
81st
19,441
19 Nov 2039
53
82nd
19,927
19 Mar 2041
54
83rd
20,419
24 Jul 2042
55