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Convert Atlantic Time to Lord Howe Time

AST · UTC−4 → LHST · UTC+10:30

AST is 14 hours 30 minutes behind LHST

Today Halifax is on ADT (UTC−3) and Lord Howe on LHDT (UTC+11), so right now Halifax is 14 hours behind Lord Howe.

Halifax · ADT

Wednesday, 7 October 2026

Lord Howe · LHDT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
HalifaxADT · -03:00
0003060912151821
Lord HoweLHDT · +11:00
1417202302050811

No overlap in standard working hours. Closest workable window: 19:00–23:00 in Halifax, which is 09:00–13:00 in Lord Howe.

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

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08:24 Wed 7 Oct Halifax = 22:24 Wed 7 Oct Lord Howe

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Hour-by-hour conversion

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

About this conversion

AST here means Atlantic Time, represented by Halifax (America/Halifax), currently UTC−3. LHST means Lord Howe Time, represented by Lord Howe (Australia/Lord_Howe), currently UTC+11.

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 23:00 LHST
  • 12:00 AST is 02:00 LHST
  • 15:00 AST is 05:00 LHST
  • 18:00 AST is 08:00 LHST

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