Born: 18 Jul 1921
Died: 08 Dec 2016 (95 years)
John Glenn
Astronaut
He would have celebrated his 56th Martian Birthday on 16 November 2026 at 38,472 days.
On Mars birthdays occur nearly every two years. Don't miss your next one!
Day age
Days ahead
Year age
Day age
Year age
55th
37,785
103
56th
38,472
105
57th
39,159
107
58th
39,846
109
59th
40,533
110
60th
41,220
112
61st
41,907
114
62nd
42,594
116
63rd
43,281
118
64th
43,968
120
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