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Time difference between Buenos Aires and Auckland

Auckland is 16 hours ahead of Buenos Aires. When it's 9:00 in Buenos Aires, it's 01:00 (next day) in Auckland.

Auckland is 16 hours ahead of Buenos Aires.

On Friday, 2 October 2026, 09:00 in Buenos Aires is 01:00 (next day) in Auckland. Buenos Aires is UTC−3; Auckland is UTC+13.

The gap through 2026

  1. 1 Jan – 4 AprAuckland is 16 hours ahead of Buenos Aires.
  2. 4 Apr – 26 SeptAuckland is 15 hours ahead of Buenos Aires.
  3. 26 Sept – 31 DecAuckland is 16 hours ahead of Buenos Aires.
  • Auckland moves its clocks back on 4 April (UTC+13 → UTC+12).
  • Auckland moves its clocks forward on 26 September (UTC+12 → UTC+13).

Buenos Aires to Auckland, hour by hour

On Friday 2 October.

Buenos AiresAuckland
07:00 Early morning23:00 Sleeping hours
08:00 Early morning00:00+1 Sleeping hours
09:00 Working hours01:00+1 Sleeping hours
10:00 Working hours02:00+1 Sleeping hours
11:00 Working hours03:00+1 Sleeping hours
12:00 Working hours04:00+1 Sleeping hours
13:00 Working hours05:00+1 Sleeping hours
14:00 Working hours06:00+1 Sleeping hours
15:00 Working hours07:00+1 Weekend
16:00 Working hours08:00+1 Weekend
17:00 Evening09:00+1 Weekend
18:00 Evening10:00+1 Weekend
19:00 Evening11:00+1 Weekend
20:00 Evening12:00+1 Weekend
21:00 Evening13:00+1 Weekend
22:00 Sleeping hours14:00+1 Weekend

Daylight saving in 2026

  • Auckland moves its clocks back on Saturday 4 April (UTC+13 → UTC+12).
  • Auckland moves its clocks forward on Saturday 26 September (UTC+12 → UTC+13).
  1. 1 Jan – 4 AprAuckland is 16 hours ahead of Buenos Aires.
  2. 4 Apr – 26 SeptAuckland is 15 hours ahead of Buenos Aires.
  3. 26 Sept – 31 DecAuckland is 16 hours ahead of Buenos Aires.

Best times for a call

Working hours (09:00–17:00) in Buenos Aires and Auckland don't overlap, so any call is early or late for someone.

  • Buenos Aires 15:00Working hoursAuckland 07:00 +1Weekend
  • Buenos Aires 16:00Working hoursAuckland 08:00 +1Weekend
  • Buenos Aires 17:00EveningAuckland 09:00 +1Weekend

How the time difference calculator works

The difference is each city's offset from UTC on the date you pick, subtracted. Offsets come from the IANA time zone database in your browser.

Because countries change their clocks on different dates — or not at all — the gap between two cities can change for a few weeks a year. The calculator lists every change in the year.

Examples

  • London is 5 hours ahead of New York for most of the year, but only 4 hours ahead for about three weeks in March and one week in late October.
  • Dubai doesn't change its clocks, so its gap to London is 4 hours in winter and 3 hours in summer.

Good for

  • Knowing when a colleague's day starts
  • Setting expectations for replies across time zones
  • Planning travel and jet lag

Frequently asked questions

What time is it in Auckland when it's 9 AM in Buenos Aires?
1:00 AM (next day) — as of 2 October 2026. Auckland is 16 hours ahead of Buenos Aires.
Does the time difference between Buenos Aires and Auckland change?
Yes. In 2026 it's 16 hours or 15 hours, depending on the date, because only Auckland changes its clocks.
What's the best time for a call between Buenos Aires and Auckland?
There's no hour when both cities are in working hours (09:00–17:00). The fairest is around 15:00 in Buenos Aires (07:00 in Auckland).
What time zones are Buenos Aires and Auckland in?
Buenos Aires uses America/Argentina/Buenos_Aires (UTC−3 today); Auckland uses Pacific/Auckland (UTC+13 today).

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