Round Rock to Honolulu time converter

Honolulu is 5 hours behind Round Rock. When it is 9:00 AM in Round Rock, it is 4:00 AM in Honolulu.

Round Rock CDT

Monday, October 19, 2026

Honolulu HST

Monday, October 19, 2026

Round Rock
Texas, United States
Mon, Oct 19
CDTUTC-5
Honolulu
Hawaii, United States
Mon, Oct 19
HSTUTC-10-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Round Rock to Honolulu conversion table

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

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

Best time to call or meet

Both sides are at work from 2:00 PM – 6:00 PM in Round Rock (9:00 AM – 1:00 PM in Honolulu).

Daylight saving time and the difference

The difference changes during the year because Round Rock and Honolulu switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Oct 19, 2027: -5h

Distance

Round Rock and Honolulu are 6,037 km (3,751 miles) apart in a straight line.

More conversions

Honolulu to Round RockRound Rock to New YorkRound Rock to LondonRound Rock to Los AngelesRound Rock to ChicagoRound Rock to TorontoRound Rock to São PauloRound Rock to ParisRound Rock to BerlinRound Rock to MoscowRound Rock to DubaiRound Rock to New DelhiRound Rock to Bangkok
New York to HonoluluLondon to HonoluluLos Angeles to HonoluluChicago to HonoluluToronto to HonoluluSão Paulo to HonoluluParis to HonoluluBerlin to HonoluluMoscow to HonoluluDubai to HonoluluNew Delhi to HonoluluBangkok to Honolulu

Questions and answers

What is the time difference between Round Rock and Honolulu?

Honolulu is 5 hours behind Round Rock.

What time is it in Honolulu when it is 9 AM in Round Rock?

When it is 9:00 AM in Round Rock, it is 4:00 AM in Honolulu.

When is the best time to call Honolulu from Round Rock?

Both sides are at work from 2:00 PM – 6:00 PM in Round Rock (9:00 AM – 1:00 PM in Honolulu).

Does the time difference between Round Rock and Honolulu change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.