Safely returned to Base Camp 1100 local (1500 UTC)
Dawn at the summit
Ascent from Trailhead to Base Camp between 1400 and 1600 local time on 17th February.
Left Base Camp at 0001 local time 18th February and arrived at summit 0544 local time
Expecting to leave base camp at 0630 UTC 18th February to do night climb for the summit of Chimborazo arriving at dawn
Short video from base camp available here