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Convert Chatham Time to French Guiana Time

CHAST · UTC+12:45 → GFT · UTC−3

CHAST is 15 hours 45 minutes ahead of GFT

Today Chatham is on CHADT (UTC+13:45) and Cayenne on UTC-3 (UTC−3), so right now Chatham is 16 hours 45 minutes ahead of Cayenne.

Chatham · CHADT

Thursday, 8 October 2026

Cayenne · UTC-3

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
ChathamCHADT · +13:45
0003060912151821
CayenneUTC-3 · -03:00
0710131619220104

Shared working hours: 09:00–11:00 in Chatham is 16:15–18:15 in Cayenne.

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

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01:11 Thu 8 Oct Chatham = 08:26 Wed 7 Oct Cayenne

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Hour-by-hour conversion

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

About this conversion

CHAST here means Chatham Time, represented by Chatham (Pacific/Chatham), currently UTC+13:45. GFT means French Guiana Time, represented by Cayenne (America/Cayenne), currently UTC−3.

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 Chatham; day boundaries are marked where the date differs.

Quick answers

  • 09:00 CHAST is 16:15 GFT
  • 12:00 CHAST is 19:15 GFT
  • 15:00 CHAST is 22:15 GFT
  • 18:00 CHAST is 01:15 GFT

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