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Time difference between Buenos Aires and Denver

Denver is 3 hours behind Buenos Aires

Buenos Aires, Argentina is UTC−3 · Denver, the United States is UTC−7 — 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 Denver goes forward on the second Sunday in March and back on the first Sunday in November.

Buenos Aires / Denver clocksDifferenceHow long
standard / summer3 hours behindabout 34 weeks — most of the year
standard / standard4 hours behindabout 18 weeks

Buenos Aires stays put all year while Denver moves, so the gap changes twice a year from Denver'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 5 hours — 12:00 PM to 5:00 PM in Buenos Aires, the same moment as 9:00 AM to 2:00 PM in Denver.

Buenos Aires to Denver, hour by hour

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

On the usual gap of 3 hours.

Frequently asked questions

What is the time difference between Buenos Aires and Denver?

Denver is 3 hours 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 Denver goes forward on the second Sunday in March and back on the first Sunday in November.

Is Denver ahead of Buenos Aires?

No — Denver is 3 hours behind. Buenos Aires is UTC−3 and Denver is UTC−7 on standard time.

What time is 9 AM in Buenos Aires in Denver?

6:00 AM, on the usual gap.

When can Buenos Aires and Denver meet?

Standard nine-to-five hours overlap for 5 hours: 12:00 PM–5:00 PM in Buenos Aires, which is 9:00 AM–2:00 PM in Denver.

Other pairs

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