[1] Optus’ technical glitch made southern Queenslanders woke up an hour earlier because the clocks on their mobile phones were moving an hour forward.
[2] Optus spokesperson confirmed that the glitch started early in the morning and was fixed around 7 am local time.
[3] However, it was too late as residents had already expressed their rage on Twitter.
Source: http://mashable.com/2015/01/13/daylight-savings-queensland-optus/