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Convert French Guiana Time to Lord Howe Time

GFT · UTC−3 → LHST · UTC+10:30

GFT is 13 hours 30 minutes behind LHST

Cayenne · UTC-3

Tuesday, 8 September 2026

Lord Howe · LHST

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
CayenneUTC-3 · -03:00
0003060912151821
Lord HoweLHST · +10:30
1316192201040710

No overlap in standard working hours. Closest workable window: 19:30–23:00 in Cayenne, which is 09:00–12:30 in Lord Howe.

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

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04:05 Tue 8 Sep Cayenne = 17:35 Tue 8 Sep Lord Howe

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Hour-by-hour conversion

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

About this conversion

GFT here means French Guiana Time, represented by Cayenne (America/Cayenne), currently UTC−3. LHST means Lord Howe Time, represented by Lord Howe (Australia/Lord_Howe), currently UTC+10:30.

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 Cayenne; day boundaries are marked where the date differs.

Quick answers

  • 09:00 GFT is 22:30 LHST
  • 12:00 GFT is 01:30 LHST
  • 15:00 GFT is 04:30 LHST
  • 18:00 GFT is 07:30 LHST

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