Sydney time to Bangkok time
Bangkok is 4 hours behind Sydney in January and 3 hours behind in July (Sydney GMT+10/UTC+10:00 in summer; Bangkok GMT+7/UTC+07:00). Enter a Sydney time below to convert it, or leave it blank to see the current time in both cities.
How to use the Sydney to Bangkok time
- Type a Sydney time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Bangkok time and the working-hours table.
Time difference between Sydney and Bangkok
Bangkok is 4 hours behind Sydney in January and 3 hours behind in July. Sydney observes daylight saving time and Bangkok does not, so the difference changes twice a year. Sydney uses Australia/Sydney time (UTC+11:00 in January, UTC+10:00 in July); Bangkok uses Asia/Bangkok (UTC+07:00 in January, UTC+07:00 in July).
Working week in Sydney and Bangkok
Sydney: Australian Eastern Time: AEDT (UTC+11) from the first Sunday of October to the first Sunday of April, otherwise AEST (UTC+10). Office hours 09:00–17:00, weekend Saturday–Sunday.
Bangkok: Indochina Time, UTC+7 all year. Office hours 08:30–17:30, weekend Saturday–Sunday.
Quick conversion table (summer difference)
| Sydney | Bangkok |
|---|---|
| 08:00 | 05:00 |
| 09:00 | 06:00 |
| 10:00 | 07:00 |
| 12:00 | 09:00 |
| 14:00 | 11:00 |
| 16:00 | 13:00 |
| 18:00 | 15:00 |
| 20:00 | 17:00 |
| 22:00 | 19:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Sydney and Bangkok
Within normal office hours (09:00–18:00) in both cities: 12:00–17:00 Sydney time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Bangkok to Sydney, or the general time zone converter.
Frequently asked questions
How many hours ahead is Bangkok from Sydney?
Bangkok is 4 hours behind Sydney in January and 3 hours behind in July.
When it is 12:00 noon in Sydney, what time is it in Bangkok?
09:00 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.