10/29/2014 07:09 EDT | Updated 10/31/2014 04:59 EDT

Time Change 2014: 10 Things You Need To Know

When do our clocks go back?

Sunday, Nov. 2, at 2 a.m.

How much should I turn them back?

One hour.

Why are they going back?

Because Daylight Saving Time (DST) is ending.

What is Daylight Saving Time (DST)?

Good question, Aubrey! It's a period (generally from March to October) in which the clocks are sprung forward in order to use as much daylight as possible and conserve energy, according to

Does it really conserve energy?

That's up for debate. Some research has shown it has little to no effect on people's energy use, but that it can also lead to more expensive electricity bills.

Do we HAVE to change our clocks back?

Yes, if you want to keep up with most of the country. No, if you live anywhere in Saskatchewan except for Lloydminster, and in these parts of Canada.

Do all countries change their clocks the same way?

No. The United Kingdom observes "British Summer Time," in which clocks are set forward an hour in the spring, and then switch back to Greenwich Mean Time (GMT) in late October. In total, 160 countries don't observe Daylight Saving Time.

How am I supposed to remember when to switch my clock throughout the year?

Simple! "Spring forward, fall back!"

Does this mean I sleep an extra hour?

Yes ... technically. You set your clock back one hour, so you theoretically take back the one you missed when you set it forward in the spring. But the Harvard Health Blog has said that many don't take advantage of it, and that shifting one's sleep can alter their cycle for days.

I've heard the spring time change is not good for me, but the fall time change is. What gives?

Some studies have shown negative health and economic effects (like sleepiness leading to decreased productivity) when the clocks spring forward. But the Insurance Company of B.C. (ICBC) has also said that average car crashes in the Vancouver area increase by 10 per cent in the two weeks following the end of Daylight Saving Time, compared to the two weeks after it begins. So basically, there's no winning. And stay alert when driving.

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