Castle Rock to Auckland time converter

Auckland is 19 hours ahead of Castle Rock. When it is 9:00 AM in Castle Rock, it is 4:00 AM (Wed, Oct 21) in Auckland.

Castle Rock MDT

Tuesday, October 20, 2026

Auckland NZDT

Wednesday, October 21, 2026

Castle Rock
Colorado, United States
Tue, Oct 20
MDTUTC-6
Auckland
New Zealand
Wed, Oct 21
NZDTUTC+13+19h
Finding your time zone…
Shared working hours (9:00–18:00)

Castle Rock to Auckland conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Castle Rock and Auckland switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +19h
  • Nov 1, 2026 – Mar 14, 2027: +20h
  • Mar 14, 2027 – Apr 3, 2027: +19h
  • Apr 3, 2027 – Sep 25, 2027: +18h
  • Sep 25, 2027 – Oct 20, 2027: +19h

Distance

Castle Rock and Auckland are 11,796 km (7,330 miles) apart in a straight line.

More conversions

Auckland to Castle RockCastle Rock to New YorkCastle Rock to LondonCastle Rock to Los AngelesCastle Rock to ChicagoCastle Rock to TorontoCastle Rock to São PauloCastle Rock to ParisCastle Rock to BerlinCastle Rock to MoscowCastle Rock to DubaiCastle Rock to New DelhiCastle Rock to Bangkok
New York to AucklandLondon to AucklandLos Angeles to AucklandChicago to AucklandToronto to AucklandSão Paulo to AucklandParis to AucklandBerlin to AucklandMoscow to AucklandDubai to AucklandNew Delhi to AucklandBangkok to Auckland

Questions and answers

What is the time difference between Castle Rock and Auckland?

Auckland is 19 hours ahead of Castle Rock.

What time is it in Auckland when it is 9 AM in Castle Rock?

When it is 9:00 AM in Castle Rock, it is 4:00 AM (Wed, Oct 21) in Auckland.

When is the best time to call Auckland from Castle Rock?

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

Does the time difference between Castle Rock and Auckland change?

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