Adelaide MumbaiTime Converter
Adelaide (ACST, UTC+9:30) is currently 4 hours ahead of Mumbai (IST, UTC+5:30). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Adelaide, it's the same day in Mumbai.
Adelaide (ACST/ACDT) runs 4 hours ahead of Mumbai (IST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- −4h 00m
- Adelaide
- UTC+9:30
- Mumbai
- UTC+5:30
- Best call window
- 1:00 PM ACST
Adelaide to Mumbai conversion table
The next 12 hours in Adelaide and the matching local time in Mumbai. The current hour is highlighted; drag the converter's slider and the table follows.
| Adelaide · ACST | Mumbai · IST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Best time to meet between Adelaide & Mumbai
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between Adelaide and Mumbai swings between 5 and 4 hours across the year as each side starts or ends daylight saving. Clocks in Adelaide move forward 1 hour to ACDT (UTC+10:30) on Sunday, October 4, 2026. Mumbai does not observe daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From Adelaide
To Mumbai
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Adelaide time in Mumbai?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "Adelaide → Mumbai",
"url": "https://worldclock.pro/en/convert/adelaide-to-mumbai",
"from": {
"name": "Adelaide",
"type": "city",
"abbreviation": "ACST",
"daylightAbbreviation": "ACDT",
"iana": "Australia/Adelaide",
"standardUtcOffset": "+09:30",
"daylightUtcOffset": "+10:30",
"referenceCity": "Adelaide"
},
"to": {
"name": "Mumbai",
"type": "city",
"abbreviation": "IST",
"daylightAbbreviation": null,
"iana": "Asia/Kolkata",
"standardUtcOffset": "+05:30",
"daylightUtcOffset": null,
"referenceCity": "Mumbai"
},
"currentDifferenceMinutes": -240,
"possibleDifferencesMinutes": [
-300,
-240
],
"note": "Between the regions that use these zones the difference is 5 and 4 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between Adelaide and Mumbai?
Adelaide is currently 4 hours ahead of Mumbai. Adelaide is on ACST (UTC+9:30) and Mumbai is on IST (UTC+5:30). The difference can change when either side starts or ends daylight saving time.
Is Mumbai ahead of or behind Adelaide?
Mumbai is currently 4 hours behind Adelaide.
When it is 9:00 AM in Adelaide, what time is it in Mumbai?
When it is 9:00 AM on a Monday in Adelaide, it is 5:00 AM in Mumbai.
Do Adelaide and Mumbai observe daylight saving time?
Clocks in Adelaide move forward 1 hour to ACDT (UTC+10:30) on Sunday, October 4, 2026. Mumbai does not observe daylight saving time.
How do I convert Adelaide time to Mumbai time?
Subtract 4 hours from any time in Adelaide to get the time in Mumbai. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
More world clock & time zone apps
From the team behind worldclock.pro — global scheduling on iPhone & iPad, a Mac menu-bar clock, and precision Zulu/UTC for aviation, military, and HAM radio.
World Clock Master
Global time zone scheduling for international teams, travelers, and professionals who coordinate across cities and continents.
View app
World Clock Pro
The same powerful time zone converter, meeting scheduler, and world clock — living in your Mac's menu bar.
View app