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Time difference between Toronto and Buenos Aires

Buenos Aires is 1 hour ahead of Toronto

Toronto, Canada is UTC−5 · Buenos Aires, Argentina is UTC−3 — on standard time

The gap is not the same all year

Every converter gives one number for this pair. That number is right for most of the year and wrong for part of it, because Toronto goes forward on the second Sunday in March and back on the first Sunday in November and Buenos Aires does not change its clocks.

Toronto / Buenos Aires clocksDifferenceHow long
summer / standard1 hour aheadabout 34 weeks — most of the year
standard / standard2 hours aheadabout 18 weeks

Buenos Aires stays put all year while Toronto moves, so a meeting fixed in Buenos Aires's calendar shifts by an hour twice a year at Toronto's end.

When they can both be at their desks

Nine-to-five in both cities overlaps for 7 hours — 9:00 AM to 4:00 PM in Toronto, the same moment as 10:00 AM to 5:00 PM in Buenos Aires.

Toronto to Buenos Aires, hour by hour

TorontoBuenos Aires
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM (next day)

On the usual gap of 1 hour.

Frequently asked questions

What is the time difference between Toronto and Buenos Aires?

Buenos Aires is 1 hour ahead of Toronto for most of the year. It is not the same all year — there is one other gap, because Toronto goes forward on the second Sunday in March and back on the first Sunday in November and Buenos Aires does not change its clocks.

Is Buenos Aires ahead of Toronto?

Yes — Buenos Aires is 1 hour ahead. Toronto is UTC−5 and Buenos Aires is UTC−3 on standard time.

What time is 9 AM in Toronto in Buenos Aires?

10:00 AM, on the usual gap.

When can Toronto and Buenos Aires meet?

Standard nine-to-five hours overlap for 7 hours: 9:00 AM–4:00 PM in Toronto, which is 10:00 AM–5:00 PM in Buenos Aires.

Other pairs

Every Toronto pair · Every Buenos Aires pair · All city pairs · Time zones by abbreviation