Timezones.in — Stay In Sync

Convert Casey Time to Syowa Time

CAST · UTC+8 → SYOT · UTC+3

CAST is 5 hours ahead of SYOT

Casey · AWST

Wednesday, 7 October 2026

Syowa · UTC+3

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
CaseyAWST · +08:00
0003060912151821
SyowaUTC+3 · +03:00
1922010407101316

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

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

Pick a time and share it

19:26 Wed 7 Oct Casey = 14:26 Wed 7 Oct Syowa

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

Casey (CAST)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
15:0010:00Both at work
16:0011:00Both at work
17:0012:00Both at work
18:0013:00
19:0014:00Now
20:0015:00
21:0016:00
22:0017:00
23:0018:00

About this conversion

CAST here means Casey Time, represented by Casey (Antarctica/Casey), 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 Casey; day boundaries are marked where the date differs.

Quick answers

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

Related conversions