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Convert Chatham Time to Réunion Time

CHAST · UTC+12:45 → RET · UTC+4

CHAST is 8 hours 45 minutes ahead of RET

Today Chatham is on CHADT (UTC+13:45) and Saint-Denis on UTC+4 (UTC+4), so right now Chatham is 9 hours 45 minutes ahead of Saint-Denis.

Chatham · CHADT

Thursday, 8 October 2026

Saint-Denis · UTC+4

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
ChathamCHADT · +13:45
0003060912151821
Saint-DenisUTC+4 · +04:00
1417202302050811

No overlap in standard working hours. Closest workable window: 19:00–23:00 in Chatham, which is 09:15–13:15 in Saint-Denis.

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

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01:11 Thu 8 Oct Chatham = 15:26 Wed 7 Oct Saint-Denis

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Hour-by-hour conversion

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

About this conversion

CHAST here means Chatham Time, represented by Chatham (Pacific/Chatham), currently UTC+13:45. 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 Chatham; day boundaries are marked where the date differs.

Quick answers

  • 09:00 CHAST is 23:15 RET
  • 12:00 CHAST is 02:15 RET
  • 15:00 CHAST is 05:15 RET
  • 18:00 CHAST is 08:15 RET

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