Passage: Aurora left Hobart on 24 December 1914, having been delayed in Australia by financial and organizational problems. The arrival in McMurdo Sound on 15 January 1915 was later in the season than planned, but the party's commander Aeneas Mackintosh made immediate plans for a depot-laying journey on the Ross Ice Shelf, since he understood that Shackleton hoped to attempt the crossing during that first season. Neither the men nor the dogs were acclimatised, and the party was, as a whole, very inexperienced in ice conditions. The first journey on the ice resulted in the loss of ten of the party's 18 dogs and a frostbitten and generally demoralised shore party; a single, incomplete depot was their only achievement.On 7 May, Aurora, anchored at the party's Cape Evans headquarters, was wrenched from her moorings during a gale and carried with drifting ice far out to sea. Unabled to return to McMurdo Sound, she remained captive in the ice for nine months until on 12 February 1916, having travelled a distance of around 1,600 miles (2,600 km), she reached open water and limped to New Zealand. She carried with her the greater part of the shore party's fuel, food rations, clothing and equipment, although the sledging rations for the depots had been landed ashore. To continue with its mission the stranded shore party had to re-supply and re-equip itself from the leftovers from earlier expeditions, notably Captain Scott's Terra Nova Expedition which had been based at Cape Evans a few years earlier. They were thus able to begin the second season's depot-laying on schedule, in September 1915.In the following months, the required depots were laid, at one-degree intervals across the Ross Ice Shelf to the foot of the Beardmore Glacier. On the return journey from the glacier the party was attacked by scurvy; Arnold Spencer-Smith, the expedition's chaplain and photographer, collapsed and died on the ice. The remainder of the party reached the temporary shelter of Hut Point, a relic of the Discovery Expedition at the southern end of...

Question: When did Aurora leave Hobart?
24 December 1914