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Convert Atlantic Time to Newfoundland Time

AST · UTC−4 → NST · UTC−3:30

AST is 30 minutes behind NST

Halifax · ADT

Wednesday, 7 October 2026

St. John's · NDT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
HalifaxADT · -03:00
0003060912151821
St. John'sNDT · -02:30
0003060912151821

Shared working hours: 09:00–17:30 in Halifax is 09:30–18:00 in St. John's.

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

Pick a time and share it

08:24 Wed 7 Oct Halifax = 08:54 Wed 7 Oct St. John's

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Hour-by-hour conversion

Halifax (AST)St. John's (NST)
00:0000:30
01:0001:30
02:0002:30
03:0003:30
04:0004:30
05:0005:30
06:0006:30
07:0007:30
08:0008:30Now
09:0009:30Both at work
10:0010:30Both at work
11:0011:30Both at work
12:0012:30Both at work
13:0013:30Both at work
14:0014:30Both at work
15:0015:30Both at work
16:0016:30Both at work
17:0017:30Both at work
18:0018:30
19:0019:30
20:0020:30
21:0021:30
22:0022:30
23:0023:30

About this conversion

AST here means Atlantic Time, represented by Halifax (America/Halifax), currently UTC−3. NST means Newfoundland Time, represented by St. John's (America/St_Johns), currently UTC−2:30.

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 09:30 NST
  • 12:00 AST is 12:30 NST
  • 15:00 AST is 15:30 NST
  • 18:00 AST is 18:30 NST

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