fix moment format
fix moment format

jgabriellima/mining,mlgruby/mining,avelino/mining,seagoat/mining,mining/mining,chrisdamba/mining,AndrzejR/mining,avelino/mining,AndrzejR/mining,mlgruby/mining,jgabriellima/mining,chrisdamba/mining,mining/mining,seagoat/mining,mlgruby/mining