Born: 28 Dec 1969
Linus Torvalds
Computer scientist
20,191 days old
He will celebrate his 143rd Square Day on 23 December 2025 aged 20,449 days.
These occur when your day age is a square number.
Day age
Days ahead
Year age
23 Dec 2025
20,449
143rd
Square Day
258
56
Day age
Year age
142nd
20,164
55
143rd
20,449
55
144th
20,736
56
145th
21,025
57
146th
21,316
58
147th
21,609
59
148th
21,904
59
149th
22,201
60
150th
22,500
61
151st
22,801
62
152nd
23,104
63
153rd
23,409
64
154th
23,716
64
155th
24,025
65
156th
24,336
66
157th
24,649
67
158th
24,964
68
159th
25,281
69
160th
25,600
70
161st
25,921
70
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