Per Day: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
First hundred users to get both stars on Day 15:
1) Dec 15 00:04:29 
goffrie
2) Dec 15 00:04:41
Robert Xiao
3) Dec 15 00:05:38 
Kevin Sun
4) Dec 15 00:06:28
ecnerwala
5) Dec 15 00:06:50 
D. Salgado
6) Dec 15 00:07:09
hyperneutrino (AoC++)
7) Dec 15 00:07:13 
Antonio Molina
8) Dec 15 00:07:21 
Joshua Chen
9) Dec 15 00:07:32
ncfavier (AoC++)
10) Dec 15 00:08:06 
Lewin Gan
11) Dec 15 00:08:21
nthistle
12) Dec 15 00:08:22
5space
13) Dec 15 00:08:37
Nathan Fenner (AoC++)
14) Dec 15 00:08:40
Péter Kovács
15) Dec 15 00:09:00
sciyoshi
16) Dec 15 00:09:09 
Jimmy Mårdell
(AoC++)
17) Dec 15 00:09:11
Defelo (AoC++)
18) Dec 15 00:09:23 
Tobias-Glimmerfors
19) Dec 15 00:09:24
Alexander Haupt
20) Dec 15 00:09:36 
Etienne Vouga
21) Dec 15 00:09:42
Craig Gidney (AoC++)
22) Dec 15 00:09:43 xnkvbo
23) Dec 15 00:09:46 
Victor Chen
24) Dec 15 00:10:02 (anonymous user #1510407) (AoC++)
25) Dec 15 00:10:10
Alice Sayutina
26) Dec 15 00:10:14 
liouzhou_101
27) Dec 15 00:10:14 
drebelsky
28) Dec 15 00:10:15 
AhmadBarhamje
29) Dec 15 00:10:21 
mserrano
30) Dec 15 00:10:39 
Edward Xiao
31) Dec 15 00:10:42
Yosuke Sameshima
32) Dec 15 00:10:44 
Golovanov399
33) Dec 15 00:10:47
Måns Magnusson
34) Dec 15 00:10:55 
Schobers
(AoC++)
35) Dec 15 00:10:56 
ruuddotorg
36) Dec 15 00:11:08 
awychong
37) Dec 15 00:11:11
mcpower
38) Dec 15 00:11:11 
Ambrose Feinstein
39) Dec 15 00:11:23
Justin Le (AoC++)
40) Dec 15 00:11:27 
Ian DeHaan
41) Dec 15 00:11:28
Ethan Tillison
42) Dec 15 00:11:32 
Tom Sirgedas
43) Dec 15 00:11:35
Gabriel Wu (AoC++)
45) Dec 15 00:11:39
betaveros (AoC++)
46) Dec 15 00:11:39 
Martin “Cifko” Štefček
(AoC++)
47) Dec 15 00:11:39
Neal Wu
48) Dec 15 00:11:40 
Max Murin
49) Dec 15 00:11:46
bcc32 (AoC++)
50) Dec 15 00:11:48
Karl-Aksel Puulmann
51) Dec 15 00:11:48
Kroppeb (AoC++)
52) Dec 15 00:12:08
Zeyu Chen (AoC++)
53) Dec 15 00:12:08 
Andrei Dukhounik
54) Dec 15 00:12:11
Noble Mushtak
55) Dec 15 00:12:13 
mingmingrr
56) Dec 15 00:12:13 
Howard Cheng
57) Dec 15 00:12:27
rHermes (AoC++)
58) Dec 15 00:12:33
Jay Bosamiya (AoC++)
59) Dec 15 00:12:36
mrphlip (AoC++)
60) Dec 15 00:12:41
elu00
61) Dec 15 00:12:49
Roman Elizarov
62) Dec 15 00:12:49
mebeim (AoC++)
63) Dec 15 00:12:50
coolcomputery
64) Dec 15 00:12:53
Epiphane (AoC++)
65) Dec 15 00:12:54 
Béla Mérvadó
(AoC++)
66) Dec 15 00:12:55 
Jack Tang
67) Dec 15 00:12:56
Markus Himmel (AoC++)
68) Dec 15 00:12:56 
Paul Zagieboylo
(AoC++)
69) Dec 15 00:13:08
0e4ef622
70) Dec 15 00:13:08
HexDecimal
71) Dec 15 00:13:11
aropan (AoC++)
72) Dec 15 00:13:14
Den Raskovalov
73) Dec 15 00:13:15 
Timothy Mou
74) Dec 15 00:13:18 icemoon97
75) Dec 15 00:13:19 
Xiongqi ZHANG
(AoC++)
76) Dec 15 00:13:20 ZorbaTHut
77) Dec 15 00:13:22 
JJGO
78) Dec 15 00:13:23
leijurv (AoC++)
79) Dec 15 00:13:24
rocket3989 (AoC++)
80) Dec 15 00:13:24 
Den Mukhametianov
81) Dec 15 00:13:27
glguy (AoC++)
82) Dec 15 00:13:36
Joe L.
83) Dec 15 00:13:36
Patrick Hogg (AoC++)
84) Dec 15 00:13:39 
hsun324
85) Dec 15 00:13:40 
Robert Tupelo-Schneck
86) Dec 15 00:13:41
tonghuikang
87) Dec 15 00:13:42
LegionMammal978
88) Dec 15 00:13:43
Kelly Dance (AoC++)
89) Dec 15 00:13:44 
Leo Tenenbaum
90) Dec 15 00:13:47
Lukas Huwald (AoC++)
91) Dec 15 00:13:56
ckennelly (AoC++)
92) Dec 15 00:13:56
Joel Jonsson (AoC++)
93) Dec 15 00:13:59
Quajak
94) Dec 15 00:13:59 
Andrey Anurin
(AoC++)
95) Dec 15 00:14:00 
Nick Egan
96) Dec 15 00:14:01
petertseng (AoC++)
97) Dec 15 00:14:05
joefarebrother
98) Dec 15 00:14:08 
Balint R
99) Dec 15 00:14:19 (anonymous user #198392)
100) Dec 15 00:14:25
Erik Amirell Eklöf First hundred users to get the first star on Day 15:
1) Dec 15 00:01:52
William Tsin
2) Dec 15 00:02:00
scanhex
3) Dec 15 00:02:11
Robert Xiao
4) Dec 15 00:02:17
Tom Holmes
5) Dec 15 00:02:23 
goffrie
6) Dec 15 00:02:27
nthistle
7) Dec 15 00:02:30
grawlixes (AoC++)
8) Dec 15 00:02:33
Zeyu Chen (AoC++)
9) Dec 15 00:02:36
Steven Hao (AoC++)
10) Dec 15 00:02:36
Nathan Fenner (AoC++)
11) Dec 15 00:02:40 
Superluminal Lag
12) Dec 15 00:02:40
ast-ral
13) Dec 15 00:02:46
Md Abedin
14) Dec 15 00:02:52 
mserrano
15) Dec 15 00:02:53
Springo (AoC++)
17) Dec 15 00:02:56 
Carl Schildkraut
18) Dec 15 00:02:58 
mingmingrr
19) Dec 15 00:03:00 
Joseph Durie
20) Dec 15 00:03:06 
PikMike
21) Dec 15 00:03:12 
boboquack
23) Dec 15 00:03:16 
Kevin Sun
24) Dec 15 00:03:17
glguy (AoC++)
25) Dec 15 00:03:21 
Lewin Gan
26) Dec 15 00:03:23
dtinth (AoC++)
27) Dec 15 00:03:29 (anonymous user #1539845)
28) Dec 15 00:03:29 
dan-simon
29) Dec 15 00:03:30
HexDecimal
30) Dec 15 00:03:33 (anonymous user #1350909)
31) Dec 15 00:03:38 
Денгалёв Даниил
32) Dec 15 00:03:46 
Vladislav Isenbaev
(AoC++)
33) Dec 15 00:03:46 
Eldar Bogdanov
(AoC++)
34) Dec 15 00:03:47
qpwoeirut
35) Dec 15 00:03:55 (anonymous user #681412)
36) Dec 15 00:03:56
Tim Vermeulen (AoC++)
37) Dec 15 00:03:57
Alexander Haupt
38) Dec 15 00:03:57 
VasilyDK
39) Dec 15 00:03:58 
Joshua Chen
40) Dec 15 00:04:00
NormalExisting
41) Dec 15 00:04:02 
SeanRBurton
42) Dec 15 00:04:02
hyperneutrino (AoC++)
43) Dec 15 00:04:04
Ryan Hitchman
44) Dec 15 00:04:06
ncfavier (AoC++)
45) Dec 15 00:04:07
Péter Kovács
46) Dec 15 00:04:14
Erik Amirell Eklöf
47) Dec 15 00:04:14 
William Wang
48) Dec 15 00:04:16
joefarebrother
49) Dec 15 00:04:18
Alice Sayutina
50) Dec 15 00:04:19 
Bandhi
51) Dec 15 00:04:21
Kevin Yap (AoC++)
52) Dec 15 00:04:21 
rpearl
53) Dec 15 00:04:23
Justin Le (AoC++)
54) Dec 15 00:04:23 
eu3neuom
55) Dec 15 00:04:26
jebouin (AoC++)
56) Dec 15 00:04:29
5space
57) Dec 15 00:04:31
bcc32 (AoC++)
58) Dec 15 00:04:32 (anonymous user #89790)
59) Dec 15 00:04:33
sciyoshi
60) Dec 15 00:04:36
alcatrazEscapee
61) Dec 15 00:04:38
RussellDash332
62) Dec 15 00:04:39 
Antonio Molina
63) Dec 15 00:04:39
Joe L.
64) Dec 15 00:04:43
Exaphis
65) Dec 15 00:04:44
ecnerwala
66) Dec 15 00:04:44
Paul Draper
67) Dec 15 00:04:44 
Jimmy Mårdell
(AoC++)
68) Dec 15 00:04:45 
D. Salgado
69) Dec 15 00:04:47 xnkvbo
70) Dec 15 00:04:47
FillyAutomatic
71) Dec 15 00:04:49
bjebert
72) Dec 15 00:04:51 
Henry X
73) Dec 15 00:04:52
Matthew Ramina
74) Dec 15 00:04:53 
abailey2020
75) Dec 15 00:04:56 
AhmadBarhamje
76) Dec 15 00:04:56 
Lazy Zefiris
77) Dec 15 00:04:56
coolcomputery
78) Dec 15 00:04:57 
Marcus Martina
79) Dec 15 00:05:01
mebeim (AoC++)
80) Dec 15 00:05:06
Omkar Bhalerao
81) Dec 15 00:05:07
Curtis Belmonte
82) Dec 15 00:05:09 
Brian Dean
83) Dec 15 00:05:10
0e4ef622
84) Dec 15 00:05:10
Sumner Evans (AoC++)
85) Dec 15 00:05:10 
Zeki Gurbuz
86) Dec 15 00:05:10 
mitzal
87) Dec 15 00:05:11 (anonymous user #1183478)
88) Dec 15 00:05:14
Alexander Gaev
89) Dec 15 00:05:16
89netraM (AoC++)
90) Dec 15 00:05:17
George Hotz (AoC++)
91) Dec 15 00:05:18 
Schobers
(AoC++)
92) Dec 15 00:05:19 
Edward Xiao
93) Dec 15 00:05:21 
liouzhou_101
94) Dec 15 00:05:22
Måns Magnusson
95) Dec 15 00:05:22 
Dzmitry Razhkou
97) Dec 15 00:05:23 (anonymous user #1707746)
98) Dec 15 00:05:25 
puddi
99) Dec 15 00:05:26 
Ben
100) Dec 15 00:05:27 icemoon97