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Convert French Guiana Time to Réunion Time

GFT · UTC−3 → RET · UTC+4

GFT is 7 hours behind RET

Cayenne · UTC-3

Tuesday, 8 September 2026

Saint-Denis · UTC+4

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
CayenneUTC-3 · -03:00
0003060912151821
Saint-DenisUTC+4 · +04:00
0710131619220104

Shared working hours: 09:00–11:00 in Cayenne is 16:00–18:00 in Saint-Denis.

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

Pick a time and share it

04:05 Tue 8 Sep Cayenne = 11:05 Tue 8 Sep Saint-Denis

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Hour-by-hour conversion

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

About this conversion

GFT here means French Guiana Time, represented by Cayenne (America/Cayenne), currently UTC−3. RET means Réunion Time, represented by Saint-Denis (Indian/Reunion), currently UTC+4.

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 16:00 RET
  • 12:00 GFT is 19:00 RET
  • 15:00 GFT is 22:00 RET
  • 18:00 GFT is 01:00 RET

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