Adelaide
Australia
--:-- --
GMT+10:30 · UTC+9:30
2 hours 30 minutes difference
Auckland
New Zealand
--:-- --
GMT+13 · UTC+12

24-Hour Overlap Timeline

✅ Overlap: 9:00 AM–3:00 PM in Adelaide · 12:00 PM–6:00 PM in Auckland (6h window)

⚠ Adelaide and Auckland observe daylight saving time — offset may vary by up to 1 hour seasonally

01234567891011121314151617181920212223
UTC →
🇦🇺 Adelaide UTC+9:30 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a
🇳🇿 Auckland UTC+12 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a
Both working Working Off hours Sleeping Now

Key Facts: Adelaide (GMT+10:30) vs Auckland (GMT+13)

Time Gap
2h 30m
Auckland ahead
May vary ±1h (DST)
DST Status
⏰ Adelaide
Observes DST
⏰ Auckland: Observes DST
Cities in GMT+10:30
1
Largest: Adelaide
1,387,290 pop.
Overlap Window
7h window
9:00 AM – 4:00 PM (GMT+10:30)
11:00 AM – 6:00 PM (GMT+13)

Find Cities in Adelaide & Auckland Timezones

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The GMT+10:30 and GMT+13 timezones are separated by 2 hours 30 minutes. Adelaide is the largest city in the Australia/Adelaide zone and Auckland is the largest in Pacific/Auckland. Adelaide observes daylight saving time — the difference may change by 1 hour seasonally. For scheduling between these regions, the key fact is: there are 7 hours of mutual business-hours overlap each day.

Best Times to Schedule Calls: Adelaide (GMT+10:30) ↔ Auckland (GMT+13)

Adelaide (GMT+10:30) Auckland (GMT+13) Quality
4:00 AM 6:00 AM
5:00 AM 7:00 AM
6:00 AM 8:00 AM
7:00 AM 9:00 AM ⚠️
8:00 AM 10:00 AM ⚠️
9:00 AM 11:00 AM
10:00 AM 12:00 PM
11:00 AM 1:00 PM
12:00 PM 2:00 PM
1:00 PM 3:00 PM
2:00 PM 4:00 PM
3:00 PM 5:00 PM
4:00 PM 6:00 PM ⚠️
5:00 PM 7:00 PM ⚠️
6:00 PM 8:00 PM
7:00 PM 9:00 PM
8:00 PM 10:00 PM
9:00 PM 11:00 PM

Work hours defined as 09:00–18:00 local time. ✅ Both in work hours  ⚠️ Borderline  ❌ Outside work hours.

GMT+10:30 to GMT+13: Complete 24-Hour Time Conversion Table

Adelaide (GMT+10:30) Auckland (GMT+13) IST (UTC+5:30)
12:00 AM 2:30 AM 8:00 PM
1:00 AM 3:30 AM 9:00 PM
2:00 AM 4:30 AM 10:00 PM
3:00 AM 5:30 AM 11:00 PM
4:00 AM 6:30 AM 12:00 AM
5:00 AM 7:30 AM 1:00 AM
6:00 AM 8:30 AM 2:00 AM
7:00 AM 9:30 AM 3:00 AM
8:00 AM 10:30 AM 4:00 AM
9:00 AM 11:30 AM 5:00 AM
10:00 AM 12:30 PM 6:00 AM
11:00 AM 1:30 PM 7:00 AM
12:00 PM 2:30 PM 8:00 AM
1:00 PM 3:30 PM 9:00 AM
2:00 PM 4:30 PM 10:00 AM
3:00 PM 5:30 PM 11:00 AM
4:00 PM 6:30 PM 12:00 PM
5:00 PM 7:30 PM 1:00 PM
6:00 PM 8:30 PM 2:00 PM
7:00 PM 9:30 PM 3:00 PM
8:00 PM 10:30 PM 4:00 PM
9:00 PM 11:30 PM 5:00 PM
← Date changes in Auckland →
10:00 PM 12:30 AM +1 6:00 PM
11:00 PM 1:30 AM +1 7:00 PM

IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.

1 Cities in Adelaide (GMT+10:30) & 13 Cities in Auckland (GMT+13)

Adelaide & cities — Adelaide (GMT+10:30, UTC+9:30)

Auckland & 12 more — Auckland (GMT+13, UTC+12)

⚠️ Daylight Saving Time Affects This Pair

TimezoneDST?StandardDaylight
Australia/Adelaide Yes UTC+9:30 UTC+10.5
Pacific/Auckland Yes UTC+12 UTC+13

During DST periods the time difference between these zones may be 2 hours 30 minutes instead of 2 hours 30 minutes. Always verify the current offset if scheduling calls near clock-change dates.