Every Day Counts
Hexagonal Days
 
Age: 22,977 days
Date of birth
Your 89th Hexagonal Day is on
Tuesday
when you will be
23,497 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
13 Nov 2018
23,000
23
62
18 Nov 2018
23,005
28
62
15 Dec 2018
23,032
55
63
25 Feb 2019
23,104
127
63
10 Apr 2019
23,148
171
63
24 Jan 2020
23,437
460
64
24 Mar 2020
23,497
520
64
16 Jul 2020
23,611
634
64
08 Mar 2022
24,211
1,234
66
02 Sep 2022
24,389
1,412
66
10 May 2034
28,657
5,680
78
11 Aug 2045
32,768
9,791
89
27 Feb 2047
33,333
10,356
91
15 Aug 2104
54,321
31,344
148
Ordinal
Day Age
Date
Age
88th
22,969
13 Oct 2018
62
89th
23,497
24 Mar 2020
64
1
90th
24,031
09 Sep 2021
65
91st
24,571
03 Mar 2023
67
92nd
25,117
30 Aug 2024
68
93rd
25,669
05 Mar 2026
70
94th
26,227
14 Sep 2027
71
95th
26,791
31 Mar 2029
73
96th
27,361
22 Oct 2030
74
97th
27,937
20 May 2032
76
98th
28,519
23 Dec 2033
78
99th
29,107
03 Aug 2035
79
100th
29,701
19 Mar 2037
81
101st
30,301
09 Nov 2038
82
102nd
30,907
07 Jul 2040
84
103rd
31,519
11 Mar 2042
86
104th
32,137
19 Nov 2043
87
105th
32,761
04 Aug 2045
89
106th
33,391
26 Apr 2047
91
107th
34,027
21 Jan 2049
93