What is the time difference between Johannesburg and Sydney?

Sydney is 8 hours ahead of Johannesburg. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Sydney from Johannesburg?

Between 09:00–10:00 in Johannesburg, which is 17:00–18:00 in Sydney. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Johannesburg observe daylight saving time?

No. Johannesburg stays on UTC+2 all year, so its clocks never move.

Does Sydney observe daylight saving time?

Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

If it is midday in Johannesburg, what time is it in Sydney?

It is 20:00 in Sydney, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Johannesburg and Sydney use?

Johannesburg uses Africa/Johannesburg, currently UTC+2, and Sydney uses Australia/Sydney, currently UTC+10 (AEST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Johannesburg time to Sydney time

Right now Sydney runs 8 hours ahead of Johannesburg. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

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Date

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Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Johannesburg, across for Sydney.

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

Daylight saving time

Johannesburg keeps one offset all year while Sydney moves twice. That is the whole reason this difference is seasonal.

Johannesburg

Does not observe daylight saving time

Standard: UTC+2

Sydney

Observes daylight saving time

Standard: UTC+10
Daylight: UTC+11
Next change: 2026-10-04 +60m

When you can actually talk

You have 1 hour of shared working time: 09:00–10:00 in Johannesburg, which is 17:00–18:00 in Sydney.

Johannesburg 09:00–10:00Sydney 17:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	Johannesburg	Sydney
IANA zone	Africa/Johannesburg	Australia/Sydney
Abbreviation	UTC+2	AEST
Standard offset	UTC+2	UTC+10
Daylight offset	—	UTC+11
Clock changes this year	0	2
Country	South Africa	Australia

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Johannesburg and Sydney?: Sydney is 8 hours ahead of Johannesburg. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Sydney from Johannesburg?: Between 09:00–10:00 in Johannesburg, which is 17:00–18:00 in Sydney. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Johannesburg observe daylight saving time?: No. Johannesburg stays on UTC+2 all year, so its clocks never move.
Does Sydney observe daylight saving time?: Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
If it is midday in Johannesburg, what time is it in Sydney?: It is 20:00 in Sydney, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Johannesburg and Sydney use?: Johannesburg uses Africa/Johannesburg, currently UTC+2, and Sydney uses Australia/Sydney, currently UTC+10 (AEST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.