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 19:
1) Dec 19 00:08:44
Fengyang Wang (AoC++)
2) Dec 19 00:09:25 
Andrey Anurin
(AoC++)
3) Dec 19 00:09:52
Tom Holmes
4) Dec 19 00:09:58
Jennifer Zhou
5) Dec 19 00:10:28 
travis meade
6) Dec 19 00:10:47
orez-
7) Dec 19 00:11:15 
Kevin Sun
8) Dec 19 00:11:38 
awychong
9) Dec 19 00:11:52
AleksMat
10) Dec 19 00:12:54
Tomas Rokicki
11) Dec 19 00:13:02
Robert Xiao
12) Dec 19 00:13:14
Nathan Fenner (AoC++)
13) Dec 19 00:13:26 etotheipi1
14) Dec 19 00:13:53 
tdeo
15) Dec 19 00:15:06 
msg555
16) Dec 19 00:15:09
George Hotz (AoC++)
17) Dec 19 00:15:18 (anonymous user #204385)
18) Dec 19 00:15:45
ttalvitie
19) Dec 19 00:15:59
tckmn
20) Dec 19 00:16:05
Peter Han
21) Dec 19 00:16:24
ephemient (AoC++)
22) Dec 19 00:16:33
zielmicha
23) Dec 19 00:17:13 (anonymous user #380)
24) Dec 19 00:17:35
void
25) Dec 19 00:17:38 VeeArr
(AoC++)
26) Dec 19 00:18:05
jorendorff (AoC++)
27) Dec 19 00:18:10
David Wahler (AoC++)
28) Dec 19 00:18:12
Matt Bradley
29) Dec 19 00:18:15
petertseng
30) Dec 19 00:18:25 
Tom Sirgedas
31) Dec 19 00:18:25 
Chad Keever
32) Dec 19 00:18:38
betaveros (AoC++)
33) Dec 19 00:18:44
pbfy0
34) Dec 19 00:18:50 
D. Salgado
35) Dec 19 00:18:53 
mikecheb
36) Dec 19 00:19:01
tomtheisen
37) Dec 19 00:19:15
nshepperd
38) Dec 19 00:19:25
gengkev (AoC++)
39) Dec 19 00:19:40
Craig Gidney
40) Dec 19 00:19:44
drougge (AoC++)
41) Dec 19 00:19:48 
Mårten Selin
(AoC++)
42) Dec 19 00:19:51 
Mathias Bæk Tejs Langhede
43) Dec 19 00:20:05
jebouin (AoC++)
44) Dec 19 00:20:10 
Samu Jussila
45) Dec 19 00:20:12
Anish Singhani (AoC++)
46) Dec 19 00:20:54 seligman99 (AoC++)
47) Dec 19 00:21:08
mcpower
48) Dec 19 00:21:10 
Daniel Guerber
49) Dec 19 00:21:15 
Robert Tupelo-Schneck
50) Dec 19 00:21:17 
Thomas Sewell
51) Dec 19 00:21:37 
Winston Ewert
52) Dec 19 00:21:43
bluepichu
53) Dec 19 00:22:27 
Cyprien Mangin
54) Dec 19 00:22:39 
Matt Gruskin
(AoC++)
55) Dec 19 00:22:40 
Matthew Reeder
56) Dec 19 00:22:42 
Guillaume AMBAL
57) Dec 19 00:22:46
ExpHP
58) Dec 19 00:22:48
ismailkuruca
59) Dec 19 00:22:49 (anonymous user #748532)
60) Dec 19 00:22:52
glguy (AoC++)
62) Dec 19 00:23:02 
aditsu
64) Dec 19 00:23:08
coolcomputery
65) Dec 19 00:23:12
Arnavion
66) Dec 19 00:23:31 
Yoshiap
67) Dec 19 00:23:32
tbodt
68) Dec 19 00:23:51
Erik Amirell Eklöf
69) Dec 19 00:23:56
Joel Jonsson (AoC++)
70) Dec 19 00:24:00 
mingmingrr
71) Dec 19 00:24:03 (anonymous user #646668)
72) Dec 19 00:24:09 
Jan Kuipers
73) Dec 19 00:24:15 
Ethan Morgan
(AoC++)
74) Dec 19 00:24:29
stenzek
75) Dec 19 00:24:41 
ruuddotorg
76) Dec 19 00:24:42 
Colton Pauderis
(AoC++)
77) Dec 19 00:24:54
0e4ef622
78) Dec 19 00:24:59
Alexander Haupt
79) Dec 19 00:25:00
KungA
80) Dec 19 00:25:00
drrelyea
81) Dec 19 00:25:04
Adam Gausmann
82) Dec 19 00:25:06 
yuhan0
83) Dec 19 00:25:16 
Dodomix
84) Dec 19 00:25:22 (anonymous user #436600)
85) Dec 19 00:25:27
Martin Camacho (AoC++)
86) Dec 19 00:25:28 (anonymous user #44119)
87) Dec 19 00:25:34
Scrumplesplunge
88) Dec 19 00:25:42 
Ranjithkumar Rajagopalan
89) Dec 19 00:25:47 
Jakub Kotrs
90) Dec 19 00:26:05 
barkefors
(AoC++)
91) Dec 19 00:26:06 
Max Jäger
(AoC++)
92) Dec 19 00:26:39 
Shuang Du
93) Dec 19 00:26:44
Kevin Yap (AoC++)
94) Dec 19 00:26:50
bwakell
95) Dec 19 00:26:52 (anonymous user #198392)
96) Dec 19 00:27:04 
Troels Bjerre Lund
97) Dec 19 00:27:31 
Arrowbounce
98) Dec 19 00:27:31
msullivan (AoC++)
99) Dec 19 00:27:46
Stefano Rivera
100) Dec 19 00:27:59 
Stephen
First hundred users to get the first star on Day 19:
1) Dec 19 00:01:03
betaveros (AoC++)
2) Dec 19 00:01:26
Sophie Alpert (AoC++)
3) Dec 19 00:01:41
tckmn
4) Dec 19 00:01:43 etotheipi1
5) Dec 19 00:01:44
nthistle
6) Dec 19 00:01:54 
mikecheb
7) Dec 19 00:01:56 (anonymous user #44119)
8) Dec 19 00:01:57
glguy (AoC++)
9) Dec 19 00:01:58
msullivan (AoC++)
10) Dec 19 00:02:02
David Wahler (AoC++)
11) Dec 19 00:02:02
tbodt
12) Dec 19 00:02:06 
Waffle
13) Dec 19 00:02:09 
Andrey Anurin
(AoC++)
14) Dec 19 00:02:10 
Colton Pauderis
(AoC++)
15) Dec 19 00:02:11
Fengyang Wang (AoC++)
16) Dec 19 00:02:12
Barret Rennie
17) Dec 19 00:02:13
Robert Xiao
18) Dec 19 00:02:14
sguest (AoC++)
19) Dec 19 00:02:15
jcmoyer
20) Dec 19 00:02:16 
Doug Strain
21) Dec 19 00:02:17 
Sam Cappleman-Lynes
22) Dec 19 00:02:18
George Hotz (AoC++)
23) Dec 19 00:02:18 
Matt Gruskin
(AoC++)
24) Dec 19 00:02:20
iTODDLERS-BTFO
25) Dec 19 00:02:21 (anonymous user #198392)
26) Dec 19 00:02:22 
Ethan Morgan
(AoC++)
27) Dec 19 00:02:26 
Michael Goldwasser
28) Dec 19 00:02:28 
Lovemathboy H
29) Dec 19 00:02:30
MarshallOfSound
30) Dec 19 00:02:31
0e4ef622
31) Dec 19 00:02:32
Nathan Fenner (AoC++)
32) Dec 19 00:02:32
Tom Holmes
33) Dec 19 00:02:34 
Bartosz Szreder
34) Dec 19 00:02:35 (anonymous user #217709) (AoC++)
35) Dec 19 00:02:35 
PaulTaykalo
36) Dec 19 00:02:35 
João Caldeira
37) Dec 19 00:02:36
zielmicha
38) Dec 19 00:02:40
Daniel Rejment
39) Dec 19 00:02:41
Martin Camacho (AoC++)
40) Dec 19 00:02:42
hughcoleman
41) Dec 19 00:02:43
mcpower
42) Dec 19 00:02:43 
yuhan0
43) Dec 19 00:02:44
Patrick Hogg (AoC++)
44) Dec 19 00:02:44 (anonymous user #380)
45) Dec 19 00:02:44 
Arrowbounce
46) Dec 19 00:02:46
Craig Gidney
47) Dec 19 00:02:47
Epiphane (AoC++)
48) Dec 19 00:02:47
coolcomputery
49) Dec 19 00:02:47
nshepperd
51) Dec 19 00:02:50
Peter Han
52) Dec 19 00:02:50
katrinafyi
54) Dec 19 00:02:52
joefarebrother
55) Dec 19 00:02:52 seligman99 (AoC++)
56) Dec 19 00:02:52
mebeim (AoC++)
57) Dec 19 00:02:53 VeeArr
(AoC++)
58) Dec 19 00:02:53 (anonymous user #403690)
59) Dec 19 00:02:53
orez-
60) Dec 19 00:02:54
petertseng
61) Dec 19 00:02:56
gwillen (AoC++)
62) Dec 19 00:02:56
Jonathan Rupp
63) Dec 19 00:02:57
AleksMat
64) Dec 19 00:02:57 
Niak
65) Dec 19 00:02:59
Joel Jonsson (AoC++)
66) Dec 19 00:03:01
GregorKikelj
67) Dec 19 00:03:02
jkseppan (AoC++)
68) Dec 19 00:03:04
Kaynato
69) Dec 19 00:03:09 
D. Salgado
70) Dec 19 00:03:09
Chris Mohr (AoC++)
71) Dec 19 00:03:09 
Guillaume AMBAL
72) Dec 19 00:03:11
stringham
73) Dec 19 00:03:12
dan144 (AoC++)
74) Dec 19 00:03:12
kjsatz
75) Dec 19 00:03:13 
val tron
76) Dec 19 00:03:15
Kroppeb (AoC++)
77) Dec 19 00:03:17 
Kai Si
78) Dec 19 00:03:18 
Max Murin
79) Dec 19 00:03:19 
James Arruda
80) Dec 19 00:03:24
sorawee
81) Dec 19 00:03:24 
Mathias Bæk Tejs Langhede
82) Dec 19 00:03:25 
Andrew Magee
83) Dec 19 00:03:26 
Brian Bucklew
(AoC++)
84) Dec 19 00:03:28 
Yoshiap
85) Dec 19 00:03:29 (anonymous user #18180)
86) Dec 19 00:03:30
Ryan Norris
87) Dec 19 00:03:32 (anonymous user #230381)
88) Dec 19 00:03:32
Jennifer Zhou
89) Dec 19 00:03:33 
Edward Keyes
(AoC++)
90) Dec 19 00:03:33
Matthew Merrill
91) Dec 19 00:03:35 (anonymous user #112021)
92) Dec 19 00:03:35 (anonymous user #390615)
93) Dec 19 00:03:35
schn27
94) Dec 19 00:03:36
jorendorff (AoC++)
95) Dec 19 00:03:36 vash3r
96) Dec 19 00:03:36
leijurv (AoC++)
97) Dec 19 00:03:37 
EyeDeck
98) Dec 19 00:03:38
randName
99) Dec 19 00:03:39
Måns Magnusson
100) Dec 19 00:03:40 (anonymous user #628737)