Timezone conversion
IST to Sydney Time — Convert India Standard Time to Sydney
Sydney is currently 4h30m ahead of IST. The gap shifts across the year: around January it is 5h30m ahead of IST, and around July it is 4h30m ahead of IST, because one or both zones observe daylight saving.
Sydney is currently 4h30m ahead of IST.
IST • GMT+5:30 (UTC+5:30)
10:49 PM
Wednesday, Jul 8
Sydney • GMT+10 (UTC+10)
3:19 AM
Thursday, Jul 9
Abbreviation disambiguation
IST here means India Standard Time. Note: major collisions: Israel Standard Time (Asia/Jerusalem), Irish Standard Time (Europe/Dublin) — canonical=India, page must disambiguate
Interactive converter
12:00PM
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Full IST to Sydney conversion table
| IST | Sydney |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 6:30 AM |
| 3:00 AM | 7:30 AM |
| 4:00 AM | 8:30 AM |
| 5:00 AM | 9:30 AM |
| 6:00 AM | 10:30 AM |
| 7:00 AM | 11:30 AM |
| 8:00 AM | 12:30 PM |
| 9:00 AM | 1:30 PM |
| 10:00 AM | 2:30 PM |
| 11:00 AM | 3:30 PM |
| 12:00 PM | 4:30 PM |
| 1:00 PM | 5:30 PM |
| 2:00 PM | 6:30 PM |
| 3:00 PM | 7:30 PM |
| 4:00 PM | 8:30 PM |
| 5:00 PM | 9:30 PM |
| 6:00 PM | 10:30 PM |
| 7:00 PM | 11:30 PM |
| 8:00 PM | 12:30 AM(next day) |
| 9:00 PM | 1:30 AM(next day) |
| 10:00 PM | 2:30 AM(next day) |
| 11:00 PM | 3:30 AM(next day) |
Daylight saving and how the gap changes
Around January the IST → Sydney offset is 5h30m ahead of IST. Around July it is 4h30m ahead of IST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.
Frequently asked questions
- Is Sydney ahead of or behind IST right now?
- Sydney is currently 4h30m ahead of IST.
- What is the current IST to Sydney time difference?
- Right now the gap is 4h30m ahead — Sydney is 4h30m ahead of IST.
- Does the IST → Sydney offset change during the year?
- Yes. Around January the offset is 5h30m ahead of IST; around July it is 4h30m ahead of IST. The converter above always reflects the correct offset for the date you pick.
- Does IST observe daylight saving time?
- No — India Standard Time stays at a fixed UTC offset year-round.
- Does Sydney observe daylight saving time?
- Yes — Sydney observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
- What time is 9 AM IST in Sydney?
- 9:00 AM IST is 1:30 PM Sydney.
- What time is 12 PM (noon) IST in Sydney?
- 12:00 PM IST is 4:30 PM Sydney.
- What time is 5 PM IST in Sydney?
- 5:00 PM IST is 9:30 PM Sydney.
- When is the best time to schedule a call between IST and Sydney?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 12:30 PM IST (≈ 3.5 hours). Mid-morning IST is usually the safest window for a live call.
- What time zone does IST refer to?
- IST refers to India Standard Time (IANA: Asia/Kolkata).
- What time zone does Sydney refer to?
- Sydney uses the Australia/Sydney time zone.
- Is IST on this page the same as other zones that share the letters "IST"?
- On Clockjumper, IST means India Standard Time. Disambiguation: major collisions: Israel Standard Time (Asia/Jerusalem), Irish Standard Time (Europe/Dublin) — canonical=India, page must disambiguate