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Convert Gulf Time to Japan Time

GST · UTC+4 → JST · UTC+9

GST is 5 hours behind JST

Dubai · GST

Tuesday, 8 September 2026

Tokyo · UTC+9

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
DubaiGST · +04:00
0003060912151821
TokyoUTC+9 · +09:00
0508111417202302

Shared working hours: 09:00–13:00 in Dubai is 14:00–18:00 in Tokyo.

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

Pick a time and share it

11:05 Tue 8 Sep Dubai = 16:05 Tue 8 Sep Tokyo

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Hour-by-hour conversion

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

About this conversion

GST here means Gulf Time, represented by Dubai (Asia/Dubai), currently UTC+4. JST means Japan Time, represented by Tokyo (Asia/Tokyo), currently UTC+9.

GST is used by 3 zones, including United Arab Emirates. If you meant a different one, see every meaning of GST.

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 Dubai; day boundaries are marked where the date differs.

Quick answers

  • 09:00 GST is 14:00 JST
  • 12:00 GST is 17:00 JST
  • 15:00 GST is 20:00 JST
  • 18:00 GST is 23:00 JST

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