Timezones.in — Stay In Sync

Convert Australian Western Time to Chatham Time

AWST · UTC+8 → CHAST · UTC+12:45

AWST is 4 hours 45 minutes behind CHAST

Today Perth is on AWST (UTC+8) and Chatham on CHADT (UTC+13:45), so right now Perth is 5 hours 45 minutes behind Chatham.

Perth · AWST

Wednesday, 7 October 2026

Chatham · CHADT

Thursday, 8 October 2026

When are both sides at work?

0003060912151821
PerthAWST · +08:00
0003060912151821
ChathamCHADT · +13:45
0508111417202302

Shared working hours: 09:00–12:30 in Perth is 14:45–18:15 in Chatham.

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

Pick a time and share it

19:25 Wed 7 Oct Perth = 01:10 Thu 8 Oct Chatham

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

Perth (AWST)Chatham (CHAST)
00:0005:45
01:0006:45
02:0007:45
03:0008:45
04:0009:45
05:0010:45
06:0011:45
07:0012:45
08:0013:45
09:0014:45Both at work
10:0015:45Both at work
11:0016:45Both at work
12:0017:45Both at work
13:0018:45
14:0019:45
15:0020:45
16:0021:45
17:0022:45
18:0023:45
19:0000:45next dayNow
20:0001:45next day
21:0002:45next day
22:0003:45next day
23:0004:45next day

About this conversion

AWST here means Australian Western Time, represented by Perth (Australia/Perth), currently UTC+8. CHAST means Chatham Time, represented by Chatham (Pacific/Chatham), currently UTC+13:45.

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 Perth; day boundaries are marked where the date differs.

Quick answers

  • 09:00 AWST is 14:45 CHAST
  • 12:00 AWST is 17:45 CHAST
  • 15:00 AWST is 20:45 CHAST
  • 18:00 AWST is 23:45 CHAST

Related conversions