SD&G, Ont. – The weather has been a little more cool and the trees are showing their colours. But fall doesn’t officially arrive until tonight. The autumn equinox officially arrives at 10:29 p.m. This is also the time on the calendar when the amount of daylight and nighttime are more or less (but not exactly) equal. As for Daylight Saving Time, you won’t be turning your clocks back until 2 a.m. on Sunday, November 2.