Born: 25 Apr 1945
Björn Ulvaeus
Musician
29,413 days old
He will celebrate his 43rd Martian Birthday on 12 March 2026 aged 29,541 days.
On Mars birthdays occur nearly every two years. Don't miss your next one!
Day age
Days ahead
Year age
12 Mar 2026
29,541
43rd
Mars
128
81
Day age
Year age
0
0
0
1st
687
1
2nd
1,374
3
3rd
2,061
5
4th
2,748
7
5th
3,435
9
6th
4,122
11
7th
4,809
13
8th
5,496
15
9th
6,183
16
10th
6,870
18
11th
7,557
20
12th
8,244
22
13th
8,931
24
14th
9,618
26
15th
10,305
28
16th
10,992
30
17th
11,679
31
18th
12,366
33
19th
13,053
35
20th
13,740
37
21st
14,427
39
22nd
15,114
41
23rd
15,801
43
24th
16,488
45
25th
17,175
47
26th
17,862
48
27th
18,549
50
28th
19,236
52
29th
19,923
54
30th
20,610
56
31st
21,297
58
32nd
21,984
60
33rd
22,671
62
34th
23,358
63
35th
24,045
65
36th
24,732
67
37th
25,419
69
38th
26,106
71
39th
26,793
73
40th
27,480
75
41st
28,167
77
42nd
28,854
78
43rd
29,541
80
44th
30,228
82
45th
30,915
84
46th
31,602
86
47th
32,289
88
48th
32,976
90
49th
33,663
92
50th
34,350
94
51st
35,037
95
52nd
35,724
97
53rd
36,411
99
54th
37,098
101
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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