Every Day Counts
Zeisel Days
 
Age: 32,189 days
Date of birth
Your 12th Zeisel Day is on
Saturday
when you will be
54,205 days old

A Zeisel Day occurs when your day age is a Zeisel number.

A Zeisel number, named after Helmut Zeisel, is a square-free integer k with at least three prime factors which fall into the pattern

px = apx - 1 + b

where a and b are some integer constants and x is the index number of each prime factor in the factorization, sorted from lowest to highest.

Who would not want to celebrate that?

Remind me, please


Next Main Events
Day Age
Event
Days Ahead
Year Age
21 Aug 2025
32,223
34
88
30 Jan 2026
32,385
196
88
14 Feb 2026
32,400
211
88
27 Feb 2026
32,413
224
88
11 Oct 2026
32,639
450
89
10 Feb 2027
32,761
572
89
17 Feb 2027
32,768
579
89
17 Feb 2027
32,768
579
89
07 Oct 2027
33,000
811
90
04 Sep 2028
33,333
1,144
91
24 Jun 2032
34,722
2,533
95
13 May 2064
46,368
14,179
126
27 Oct 2085
54,205
22,016
148
20 Feb 2086
54,321
22,132
148
Ordinal
Day Age
Date
Age
1st
105
14 Sep 1937
0
2nd
1,419
20 Apr 1941
3
3rd
1,729
24 Feb 1942
4
4th
1,885
30 Jul 1942
5
5th
4,505
01 Oct 1949
12
6th
5,719
27 Jan 1953
15
7th
15,387
18 Jul 1979
42
8th
24,211
14 Sep 2003
66
9th
25,085
04 Feb 2006
68
10th
27,559
13 Nov 2012
75
11th
31,929
31 Oct 2024
87
12th
54,205
27 Oct 2085
148
1