Dirty Bomb will be in maintenance at 14:00 UTC on July 22nd, 2015, in order to perform a game update. The maintenance is expected to last 1 hour. There will be a client update, but there should be no server downtime. This is something newish we are trying so please bear with us if you do experience connectivity issues and such.
When:
London (BST, UTC +1:00): 15:00 - 16:00
Los Angeles (PDT, UTC -7:00): 7:00 AM - 8:00 AM
Sydney (AEST, UTC +10:00): 12:00 AM - 1:00 AM, July 23rd
What:
Read more info here: http://dirtybomb.nexon.net/news/2993/upcoming-fine-tuning-update
Then patch notes will come after maintenance has concluded.