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

Dallas×Nukuʻalofa

United States · US
Dallas
—:—
—America/Chicago·—
DST active
Tonga · TO
Nukuʻalofa
—:—
—Pacific/Tongatapu·—
No DST

Dallas is 18 hours ahead of Nukuʻalofa. 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
18h ahead
Dallas vs Nukuʻalofa
02
Overlap
2h
Business hours 09:00 – 17:00
03
UTC offsets
GMT-5 / GMT+13
CDT · Tongatapu
04
Flight
12h 33m
10,248 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
2h shared · 15:00 – 17:00 Dallas
Dallas
—:—
0
3
6
9
12
15
18
21
Nukuʻalofa
—:—
18
21
0
3
6
9
12
15
Scrub a meeting time14:00 Dallas
Same moment in Nukuʻalofa08:00 Nukuʻalofa
◊ hour by hour

Read the day in both zones.

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

If it's this in Dallas, it's that in Nukuʻalofa.

8:00 am → 2:00 am

When it's 8:00 am in Dallas, it's 2:00 am in Nukuʻalofa — late night there, the next day.

10:00 am → 4:00 am

When it's 10:00 am in Dallas, it's 4:00 am in Nukuʻalofa — late night there, the next day.

12:00 pm → 6:00 am

When it's 12:00 pm in Dallas, it's 6:00 am in Nukuʻalofa — morning there, the next day.

3:00 pm → 9:00 am

When it's 3:00 pm in Dallas, it's 9:00 am in Nukuʻalofa — late morning there, the next day.

5:00 pm → 11:00 am

When it's 5:00 pm in Dallas, it's 11:00 am in Nukuʻalofa — late morning there, the next day.

9:00 pm → 3:00 pm

When it's 9:00 pm in Dallas, it's 3:00 pm in Nukuʻalofa — afternoon there, the next day.

◊ travel essentials

Crossing the border. Money, language, plugs.

Money changes hands at the border: Dallas uses the USD ($) and Nukuʻalofa uses the TOP (T$). Conversations can stay in English, which is official in both countries. Be careful behind the wheel: Dallas drives on the right, Nukuʻalofa on the left.

Dallas
Country
United States
Capital
Washington, D.C.
Currency
United States dollar (USD · $)
Language
English
Calling code
+1
Drives on
Right
Nukuʻalofa
Country
Tonga
Capital
Nuku'alofa
Currency
Tongan paʻanga (TOP · T$)
Language
English, Tongan
Calling code
+676
Drives on
Left
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Dallas and Nukuʻalofa?

Dallas is 18 hours ahead of Nukuʻalofa. Dallas runs on GMT-5 and Nukuʻalofa on GMT+13. 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 Dallas, what time is it in Nukuʻalofa?

10:00 am in Dallas is 4:00 am in Nukuʻalofa the next day — late night 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 Dallas, what time is it in Nukuʻalofa?

3:00 pm in Dallas is 9:00 am in Nukuʻalofa the next day — late morning 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?

There are 2 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.

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 Dallas from Nukuʻalofa?

About 10,248 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 12h 33m, 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 Dallas and Nukuʻalofa use?

Dallas uses the United States dollar (USD, $); Nukuʻalofa uses the Tongan paʻanga (TOP, T$). 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 Dallas from Nukuʻalofa?

Dial the international prefix used by your carrier (often 00), then +1, 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 Dallas and Nukuʻalofa?

Both United States and Tonga count English among their official languages, so business meetings often skip translation. Dallas also has no other official tongue; Nukuʻalofa adds Tongan.

Do Dallas and Nukuʻalofa drive on the same side of the road?

No. United States drives on the right, Tonga on the left. 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.

DALLAS · America/Chicago
GMT-5 · 32.78°, -96.80°

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

— 2h shared · 18h ahead