World Timezones

Honolulu to Sydney Converter

Compare Sydney to Honolulu instead
Honolulu6:14 pmSun, Jun 7
HonoluluHST
HI, United States · UTC-10
6:14 pmSun, Jun 7
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
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4p
5p
6p
7p
8p
9p
10p
11p
SydneyAEST
Australia · UTC+10
2:14 pmMon, Jun 8
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
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4p
5p
6p
7p

Offset

The time difference between Honolulu and Sydney is 20 hours.

20 hours

Honolulu (HST) is behind Sydney (AEST).

HST: UTC-10

AEST: UTC+10

Neither Honolulu nor Sydney is currently observing daylight saving time.

When to schedule

Business-hours overlap: 1 PM–5 PM in Honolulu (9 AM–1 PM the next day in Sydney).

Both teams are in working hours during this window on weekdays.

Suggested time: 3:00 PM Honolulu (11:00 AM Sydney).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • Christmas DayFri, Dec 25

Australia

  • New Year's DayThu, Jan 1
  • Australia DayMon, Jan 26
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Honolulu uses Hawaii Time (HST). To call United States, dial +1.

Sydney uses Australian Eastern Time (AEST, or AEDT). To call Australia, dial +61.

Sydney is approximately 5,050 miles southwest of Honolulu.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

HonoluluSydneyDay
12:00 am8:00 pmSame day
1:00 am9:00 pmSame day
2:00 am10:00 pmSame day
3:00 am11:00 pmSame day
4:00 am12:00 am+1 day
5:00 am1:00 am+1 day
6:00 am2:00 am+1 day
7:00 am3:00 am+1 day
8:00 am4:00 am+1 day
9:00 am5:00 am+1 day
10:00 am6:00 am+1 day
11:00 am7:00 am+1 day
12:00 pm8:00 am+1 day
1:00 pm9:00 am+1 day
2:00 pm10:00 am+1 day
3:00 pm11:00 am+1 day
4:00 pm12:00 pm+1 day
5:00 pm1:00 pm+1 day
6:00 pm2:00 pm+1 day
7:00 pm3:00 pm+1 day
8:00 pm4:00 pm+1 day
9:00 pm5:00 pm+1 day
10:00 pm6:00 pm+1 day
11:00 pm7:00 pm+1 day

Daylight saving time

Sydney observes daylight saving time; Honolulu does not. The offset between the two zones changes when Sydney transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Honolulu
Sunrise
5:50 AM
Sunset
7:13 PM
Day length
13h 23m
Sydney
Sunrise
6:56 AM
Sunset
4:54 PM
Day length
9h 58m

Daylight overlap: 8h 17m — 10:56 AM–7:13 PM in Honolulu (6:56 AM–3:13 PM in Sydney). Both locations are in daylight during this window.

Cities in these zones

Other cities in Australian Eastern Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Hawaii Time

  • HNL

Airports in Australian Eastern Time

  • SYD
  • CBR

Related conversions

Common conversions

What is 9:00 am Honolulu in Sydney?
9:00 am Honolulu is 5:00 am Sydney, the next day.
What is 12:00 pm Honolulu in Sydney?
12:00 pm Honolulu is 8:00 am Sydney, the next day.
What is 12:30 pm Honolulu in Sydney?
12:30 pm Honolulu is 8:30 am Sydney, the next day.
What is 2:00 pm Honolulu in Sydney?
2:00 pm Honolulu is 10:00 am Sydney, the next day.
What is 5:00 pm Honolulu in Sydney?
5:00 pm Honolulu is 1:00 pm Sydney, the next day.
What is 11:30 pm Honolulu in Sydney?
11:30 pm Honolulu is 7:30 pm Sydney, the next day.