Timezones.in — Stay In Sync

Convert French Southern & Antarctic Time to Japan Time

FSAT · UTC+5 → JST · UTC+9

FSAT is 4 hours behind JST

Port-aux-Français · UTC+5

Wednesday, 7 October 2026

Tokyo · UTC+9

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
Port-aux-FrançaisUTC+5 · +05:00
0003060912151821
TokyoUTC+9 · +09:00
0407101316192201

Shared working hours: 09:00–14:00 in Port-aux-Français is 13:00–18:00 in Tokyo.

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

Pick a time and share it

16:24 Wed 7 Oct Port-aux-Français = 20:24 Wed 7 Oct Tokyo

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

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

About this conversion

FSAT here means French Southern & Antarctic Time, represented by Port-aux-Français (Indian/Kerguelen), currently UTC+5. JST means Japan Time, represented by Tokyo (Asia/Tokyo), currently UTC+9.

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 Port-aux-Français; day boundaries are marked where the date differs.

Quick answers

  • 09:00 FSAT is 13:00 JST
  • 12:00 FSAT is 16:00 JST
  • 15:00 FSAT is 19:00 JST
  • 18:00 FSAT is 22:00 JST

Related conversions