Bangkok and Sydney time difference

Sydney is 4 hours ahead of Bangkok for most of the year.

Plan a meeting in Bangkok and SydneyOpens the free planner with both cities: drag the bands to any day and time, add more cities, and share the result.

Work hours overlap for 4 hours: 09:00–13:00 in Bangkok, which is 13:00–17:00 in Sydney.

Hour by hour

On a usual work day (October 14, 2026). Green is 09:00–17:00 work time, dark is night (21:00–07:00).

Bangkok	Sydney
00:00, Night	04:00, Night
01:00, Night	05:00, Night
02:00, Night	06:00, Night
03:00, Night	07:00, Off hours
04:00, Night	08:00, Off hours
05:00, Night	09:00, Work hours
06:00, Night	10:00, Work hours
07:00, Off hours	11:00, Work hours
08:00, Off hours	12:00, Work hours
09:00, Work hours	13:00, Work hours
10:00, Work hours	14:00, Work hours
11:00, Work hours	15:00, Work hours
12:00, Work hours	16:00, Work hours
13:00, Work hours	17:00, Off hours
14:00, Work hours	18:00, Off hours
15:00, Work hours	19:00, Off hours
16:00, Work hours	20:00, Off hours
17:00, Off hours	21:00, Night
18:00, Off hours	22:00, Night
19:00, Off hours	23:00, Night
20:00, Off hours	00:00next day, Night
21:00, Night	01:00next day, Night
22:00, Night	02:00next day, Night
23:00, Night	03:00next day, Night

Through the year

Dates	Difference
October 8, 2026–April 3, 2027	Sydney is 4 hours ahead of Bangkok
April 4, 2027–October 2, 2027	Sydney is 3 hours ahead of Bangkok
October 3, 2027–October 7, 2027	Sydney is 4 hours ahead of Bangkok

Clock changes

Bangkok does not change its clocks.

Sydney: April 4, 2027: clocks go back 1 hour; October 3, 2027: clocks go forward 1 hour.

Questions

What time is it in Sydney when it is 09:00 in Bangkok?

On a usual day it is 13:00 in Sydney.

Do Bangkok and Sydney change their clocks on the same day?

Only Sydney changes its clocks, so the difference changes with its summer time; see the table above.