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Convert Atlantic Time to Cocos Islands Time

AST · UTC−4 → CCT · UTC+6:30

AST is 10 hours 30 minutes behind CCT

Today Halifax is on ADT (UTC−3) and West Island on UTC+6:30 (UTC+6:30), so right now Halifax is 9 hours 30 minutes behind West Island.

Halifax · ADT

Wednesday, 7 October 2026

West Island · UTC+6:30

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
HalifaxADT · -03:00
0003060912151821
West IslandUTC+6:30 · +06:30
0912151821000306

No overlap in standard working hours. Closest workable window: 09:00–13:30 in Halifax, which is 18:30–23:00 in West Island.

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

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08:24 Wed 7 Oct Halifax = 17:54 Wed 7 Oct West Island

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Hour-by-hour conversion

Halifax (AST)West Island (CCT)
00:0009:30
01:0010:30
02:0011:30
03:0012:30
04:0013:30
05:0014:30
06:0015:30
07:0016:30
08:0017:30Now
09:0018:30
10:0019:30
11:0020:30
12:0021:30
13:0022:30
14:0023:30
15:0000:30next day
16:0001:30next day
17:0002:30next day
18:0003:30next day
19:0004:30next day
20:0005:30next day
21:0006:30next day
22:0007:30next day
23:0008:30next day

About this conversion

AST here means Atlantic Time, represented by Halifax (America/Halifax), currently UTC−3. CCT means Cocos Islands Time, represented by West Island (Indian/Cocos), currently UTC+6:30.

AST is used by 32 zones, including Canada. If you meant a different one, see every meaning of AST.

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 Halifax; day boundaries are marked where the date differs.

Quick answers

  • 09:00 AST is 18:30 CCT
  • 12:00 AST is 21:30 CCT
  • 15:00 AST is 00:30 CCT
  • 18:00 AST is 03:30 CCT

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