Honolulu to Antarctica time converter

Antarctica is 18 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 3:00 AM (Mon, Oct 19) in Antarctica.

Honolulu HST

Sunday, October 18, 2026

Antarctica UTC+8

Monday, October 19, 2026

Hawaii, United States
Sun, Oct 18
HSTUTC-10
Mon, Oct 19
UTC+8+18h
Finding your time zone…

10:40 PM in Honolulu, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Honolulu to Antarctica conversion table

Every hour of today in Honolulu and the matching time in Antarctica. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Honolulu (9:00 AM – 12:00 PM in Antarctica).

Daylight saving time and the difference

The difference stays 18 hours all year.

More conversions

Questions and answers

What is the time difference between Honolulu and Antarctica?

Antarctica is 18 hours ahead of Honolulu.

What time is it in Antarctica when it is 9 AM in Honolulu?

When it is 9:00 AM in Honolulu, it is 3:00 AM (Mon, Oct 19) in Antarctica.

When is the best time to call Antarctica from Honolulu?

Both sides are at work from 3:00 PM – 6:00 PM in Honolulu (9:00 AM – 12:00 PM in Antarctica).

Does the time difference between Honolulu and Antarctica change?

No. The difference stays 18 hours all year.