evidence:

shadowcoin and NEM sponsor are in the same timezone:

1) https://bitcointalk.org/index.php?action=profile;u=212017
Local Time:    February 06, 2014, 06:36:15 AM

2) https://bitcointalk.org/index.php?action=profile;u=182582

Local Time:    February 06, 2014, 06:36:15 AM