Work in progressTimezonePair is still being built — expect rough edges & missing cities
TimezonePair
Home·Nukuʻalofa·Nukuʻalofa × Buenos Aires
Prime meridian·—:—:— UTC·

Nukuʻalofa×Buenos Aires

Tonga · TO
Nukuʻalofa
—:—
—Pacific/Tongatapu·—
No DST
Argentina · AR
Buenos Aires
—:—
—America/Argentina/Buenos_Aires·—
No DST

Nukuʻalofa is 16 hours behind Buenos Aires. Scrub a time, meet in the overlap, ship the invite — before the kettle boils.

◊ at a glance

Three numbers. The ones that decide the meeting.

01
Difference
16h behind
Nukuʻalofa vs Buenos Aires
02
Overlap
0h
Business hours 09:00 – 17:00
03
UTC offsets
GMT+13 / GMT-3
Tongatapu · ART
04
Flight
13h 20m
10,913 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
No overlap in working hours
Nukuʻalofa
—:—
0
3
6
9
12
15
18
21
Buenos Aires
—:—
9
12
15
18
21
0
3
6
Scrub a meeting time14:00 Nukuʻalofa
Same moment in Buenos Aires22:00 Buenos Aires
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/nukuʻalofa/to/buenos-aires?t=14&a=A&d=2026-10-18&dur=60
14:00 Nukuʻalofa→ 22:00 Buenos Aires
Full 24-hour reference
Nukuʻalofa → Buenos Aires
00:0012:00 am
08:008:00 am−1 day
01:001:00 am
09:009:00 am−1 dayBuenos Aires only
02:002:00 am
10:0010:00 am−1 dayBuenos Aires only
03:003:00 am
11:0011:00 am−1 dayBuenos Aires only
04:004:00 am
12:0012:00 pm−1 dayBuenos Aires only
05:005:00 am
13:001:00 pm−1 dayBuenos Aires only
06:006:00 am
14:002:00 pm−1 dayBuenos Aires only
07:007:00 am
15:003:00 pm−1 dayBuenos Aires only
08:008:00 am
16:004:00 pm−1 dayBuenos Aires only
09:009:00 amNukuʻalofa only
17:005:00 pm−1 day
10:0010:00 amNukuʻalofa only
18:006:00 pm−1 day
11:0011:00 amNukuʻalofa only
19:007:00 pm−1 day
12:0012:00 pmNukuʻalofa only
20:008:00 pm−1 day
13:001:00 pmNukuʻalofa only
21:009:00 pm−1 day
14:002:00 pmNukuʻalofa only
22:0010:00 pm−1 day
15:003:00 pmNukuʻalofa only
23:0011:00 pm−1 day
16:004:00 pmNukuʻalofa only
00:0012:00 am
17:005:00 pm
01:001:00 am
18:006:00 pm
02:002:00 am
19:007:00 pm
03:003:00 am
20:008:00 pm
04:004:00 am
21:009:00 pm
05:005:00 am
22:0010:00 pm
06:006:00 am
23:0011:00 pm
07:007:00 am
◊ quick conversions

If it's this in Nukuʻalofa, it's that in Buenos Aires.

8:00 am → 4:00 pm

When it's 8:00 am in Nukuʻalofa, it's 4:00 pm in Buenos Aires — afternoon there, the previous day.

10:00 am → 6:00 pm

When it's 10:00 am in Nukuʻalofa, it's 6:00 pm in Buenos Aires — evening there, the previous day.

12:00 pm → 8:00 pm

When it's 12:00 pm in Nukuʻalofa, it's 8:00 pm in Buenos Aires — evening there, the previous day.

3:00 pm → 11:00 pm

When it's 3:00 pm in Nukuʻalofa, it's 11:00 pm in Buenos Aires — night there, the previous day.

5:00 pm → 1:00 am

When it's 5:00 pm in Nukuʻalofa, it's 1:00 am in Buenos Aires — late night there, the same day.

9:00 pm → 5:00 am

When it's 9:00 pm in Nukuʻalofa, it's 5:00 am in Buenos Aires — morning there, the same day.

◊ travel essentials

Crossing the border. Money, language, plugs.

Money changes hands at the border: Nukuʻalofa uses the TOP (T$) and Buenos Aires uses the ARS ($). Language shifts too — English in Nukuʻalofa, Guaraní in Buenos Aires. Be careful behind the wheel: Nukuʻalofa drives on the left, Buenos Aires on the right.

Nukuʻalofa
Country
Tonga
Capital
Nuku'alofa
Currency
Tongan paʻanga (TOP · T$)
Language
English, Tongan
Calling code
+676
Drives on
Left
Buenos Aires
Country
Argentina
Capital
Buenos Aires
Currency
Argentine peso (ARS · $)
Language
Guaraní, Spanish
Calling code
+54
Drives on
Right
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Nukuʻalofa and Buenos Aires?

Nukuʻalofa is 16 hours behind Buenos Aires. Nukuʻalofa runs on GMT+13 and Buenos Aires on GMT-3. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.

When it's 10 am in Nukuʻalofa, what time is it in Buenos Aires?

10:00 am in Nukuʻalofa is 6:00 pm in Buenos Aires the previous day — evening there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.

When it's 3 pm in Nukuʻalofa, what time is it in Buenos Aires?

3:00 pm in Nukuʻalofa is 11:00 pm in Buenos Aires the previous day — night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.

When's the best time to schedule a meeting?

Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).

Does daylight saving time change the difference?

Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.

How far is Nukuʻalofa from Buenos Aires?

About 10,913 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 13h 20m, not counting airport time, winds, or routing around restricted airspace.

Can I send this meeting time as a calendar invite?

Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.

What currency do Nukuʻalofa and Buenos Aires use?

Nukuʻalofa uses the Tongan paʻanga (TOP, T$); Buenos Aires uses the Argentine peso (ARS, $). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.

How do I call Nukuʻalofa from Buenos Aires?

Dial the international prefix used by your carrier (often 00), then +676, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.

What language is spoken in Nukuʻalofa and Buenos Aires?

Nukuʻalofa primarily speaks English, Tongan; Buenos Aires speaks Guaraní, Spanish. English is widely used in business contexts in major cities of both, but written contracts may need translation.

Do Nukuʻalofa and Buenos Aires drive on the same side of the road?

No. Tonga drives on the left, Argentina on the right. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.

◊ keep going

One pair down. 299 cities to go.

Every pair in 300 cities runs the same clocks, the same overlap, the same one-click invite. Pick another.

NUKUʻALOFA · Pacific/Tongatapu
GMT+13 · -21.14°, -175.21°

BUENOS AIRES · America/Argentina/Buenos_Aires
GMT-3 · -34.60°, -58.38°

— 0h shared · 16h behind