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Convert Eastern Time to French Southern & Antarctic Time

EST · UTC−5 → FSAT · UTC+5

EST is 10 hours behind FSAT

Today New York City is on EDT (UTC−4) and Port-aux-Français on UTC+5 (UTC+5), so right now New York City is 9 hours behind Port-aux-Français.

New York City · EDT

Wednesday, 7 October 2026

Port-aux-Français · UTC+5

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
New York CityEDT · -04:00
0003060912151821
Port-aux-FrançaisUTC+5 · +05:00
0912151821000306

No overlap in standard working hours. Closest workable window: 07:00–14:00 in New York City, which is 16:00–23:00 in Port-aux-Français.

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

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07:24 Wed 7 Oct New York City = 16:24 Wed 7 Oct Port-aux-Français

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Hour-by-hour conversion

New York City (EST)Port-aux-Français (FSAT)
00:0009:00
01:0010:00
02:0011:00
03:0012:00
04:0013:00
05:0014:00
06:0015:00
07:0016:00Now
08:0017:00
09:0018:00
10:0019:00
11:0020:00
12:0021:00
13:0022:00
14:0023:00
15:0000:00next day
16:0001:00next day
17:0002:00next day
18:0003:00next day
19:0004:00next day
20:0005:00next day
21:0006:00next day
22:0007:00next day
23:0008:00next day

About this conversion

EST here means Eastern Time, represented by New York City (America/New_York), currently UTC−4. FSAT means French Southern & Antarctic Time, represented by Port-aux-Français (Indian/Kerguelen), currently UTC+5.

EST is used by 10 zones, including United States. If you meant a different one, see every meaning of EST.

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 New York City; day boundaries are marked where the date differs.

Quick answers

  • 09:00 EST is 18:00 FSAT
  • 12:00 EST is 21:00 FSAT
  • 15:00 EST is 00:00 FSAT
  • 18:00 EST is 03:00 FSAT

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