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Convert French Guiana Time to Marquesas Time

GFT · UTC−3 → MART · UTC−9:30

GFT is 6 hours 30 minutes ahead of MART

Cayenne · UTC-3

Tuesday, 8 September 2026

Marquesas · UTC-9:30

Monday, 7 September 2026

When are both sides at work?

0003060912151821
CayenneUTC-3 · -03:00
0003060912151821
MarquesasUTC-9:30 · -09:30
1720230205081114

Shared working hours: 15:30–18:00 in Cayenne is 09:00–11:30 in Marquesas.

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

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04:05 Tue 8 Sep Cayenne = 21:35 Mon 7 Sep Marquesas

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Hour-by-hour conversion

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

About this conversion

GFT here means French Guiana Time, represented by Cayenne (America/Cayenne), currently UTC−3. MART means Marquesas Time, represented by Marquesas (Pacific/Marquesas), currently UTC−9:30.

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 02:30 MART
  • 12:00 GFT is 05:30 MART
  • 15:00 GFT is 08:30 MART
  • 18:00 GFT is 11:30 MART

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