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Convert Casey Time to New Zealand Time

CAST · UTC+8 → NZST · UTC+12

CAST is 4 hours behind NZST

Today Casey is on AWST (UTC+8) and Auckland on NZDT (UTC+13), so right now Casey is 5 hours behind Auckland.

Casey · AWST

Wednesday, 7 October 2026

Auckland · NZDT

Thursday, 8 October 2026

When are both sides at work?

0003060912151821
CaseyAWST · +08:00
0003060912151821
AucklandNZDT · +13:00
0508111417202302

Shared working hours: 09:00–13:00 in Casey is 14:00–18:00 in Auckland.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

19:26 Wed 7 Oct Casey = 00:26 Thu 8 Oct Auckland

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Hour-by-hour conversion

Casey (CAST)Auckland (NZST)
00:0005:00
01:0006:00
02:0007:00
03:0008:00
04:0009:00
05:0010:00
06:0011:00
07:0012:00
08:0013:00
09:0014:00Both at work
10:0015:00Both at work
11:0016:00Both at work
12:0017:00Both at work
13:0018:00
14:0019:00
15:0020:00
16:0021:00
17:0022:00
18:0023:00
19:0000:00next dayNow
20:0001:00next day
21:0002:00next day
22:0003:00next day
23:0004:00next day

About this conversion

CAST here means Casey Time, represented by Casey (Antarctica/Casey), currently UTC+8. NZST means New Zealand Time, represented by Auckland (Pacific/Auckland), currently UTC+13.

NZST is used by 2 zones, including New Zealand. See every meaning of NZST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Casey; day boundaries are marked where the date differs.

Quick answers

  • 09:00 CAST is 14:00 NZST
  • 12:00 CAST is 17:00 NZST
  • 15:00 CAST is 20:00 NZST
  • 18:00 CAST is 23:00 NZST

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