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Convert Amazon Time to Chatham Time

AMT · UTC−4 → CHAST · UTC+12:45

AMT is 16 hours 45 minutes behind CHAST

Today Manaus is on UTC-4 (UTC−4) and Chatham on CHADT (UTC+13:45), so right now Manaus is 17 hours 45 minutes behind Chatham.

Manaus · UTC-4

Wednesday, 7 October 2026

Chatham · CHADT

Thursday, 8 October 2026

When are both sides at work?

0003060912151821
ManausUTC-4 · -04:00
0003060912151821
ChathamCHADT · +13:45
1720230205081114

Shared working hours: 15:30–18:00 in Manaus is 09:15–11:45 in Chatham.

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

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07:24 Wed 7 Oct Manaus = 01:09 Thu 8 Oct Chatham

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Hour-by-hour conversion

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

About this conversion

AMT here means Amazon Time, represented by Manaus (America/Manaus), currently UTC−4. CHAST means Chatham Time, represented by Chatham (Pacific/Chatham), currently UTC+13:45.

AMT is used by 2 zones, including Brazil. If you meant a different one, see every meaning of AMT.

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 Manaus; day boundaries are marked where the date differs.

Quick answers

  • 09:00 AMT is 02:45 CHAST
  • 12:00 AMT is 05:45 CHAST
  • 15:00 AMT is 08:45 CHAST
  • 18:00 AMT is 11:45 CHAST

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