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Convert Hong Kong Time to Syowa Time

HKT · UTC+8 → SYOT · UTC+3

HKT is 5 hours ahead of SYOT

Hong Kong · UTC+8

Tuesday, 8 September 2026

Syowa · UTC+3

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
Hong KongUTC+8 · +08:00
0003060912151821
SyowaUTC+3 · +03:00
1922010407101316

Shared working hours: 14:00–18:00 in Hong Kong is 09:00–13:00 in Syowa.

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

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15:06 Tue 8 Sep Hong Kong = 10:06 Tue 8 Sep Syowa

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Hour-by-hour conversion

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

About this conversion

HKT here means Hong Kong Time, represented by Hong Kong (Asia/Hong_Kong), currently UTC+8. SYOT means Syowa Time, represented by Syowa (Antarctica/Syowa), 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 Hong Kong; day boundaries are marked where the date differs.

Quick answers

  • 09:00 HKT is 04:00 SYOT
  • 12:00 HKT is 07:00 SYOT
  • 15:00 HKT is 10:00 SYOT
  • 18:00 HKT is 13:00 SYOT

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