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Time difference between Buenos Aires and Toronto

Toronto is 1 hour behind Buenos Aires

Buenos Aires, Argentina is UTC−3 · Toronto, Canada is UTC−5 — 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 Buenos Aires does not change its clocks and Toronto goes forward on the second Sunday in March and back on the first Sunday in November.

Buenos Aires / Toronto clocksDifferenceHow long
standard / summer1 hour behindabout 34 weeks — most of the year
standard / standard2 hours behindabout 18 weeks

Buenos Aires stays put all year while Toronto moves, so the gap changes twice a year from Toronto's side alone. A recurring meeting set in Buenos Aires's calendar will drift by an hour without anyone touching it.

When they can both be at their desks

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

Buenos Aires to Toronto, hour by hour

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

On the usual gap of 1 hour.

Frequently asked questions

What is the time difference between Buenos Aires and Toronto?

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

Is Toronto ahead of Buenos Aires?

No — Toronto is 1 hour behind. Buenos Aires is UTC−3 and Toronto is UTC−5 on standard time.

What time is 9 AM in Buenos Aires in Toronto?

8:00 AM, on the usual gap.

When can Buenos Aires and Toronto meet?

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

Other pairs

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