Casablanca
Morocco
--:-- --
GMT+1 · UTC+1
9 hours difference
Melbourne
Australia
--:-- --
GMT+11 · UTC+10

24-Hour Overlap Timeline

❌ No business-hours overlap between Casablanca and Melbourne (9–18 local)

⚠ Sydney observes daylight saving time — offset may vary by up to 1 hour seasonally

01234567891011121314151617181920212223
UTC →
🇲🇦 Casablanca UTC+1 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a
🇦🇺 Melbourne UTC+10 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a 1a 2a 3a 4a 5a 6a 7a 8a 9a
Both working Working Off hours Sleeping Now

Key Facts: Casablanca (GMT+1) vs Melbourne (GMT+11)

Time Gap
9h
Sydney ahead
May vary ±1h (DST)
DST Status
✅ Casablanca
No DST
⏰ Sydney: Observes DST
Cities in GMT+1
73
Largest: Casablanca
3,215,935 pop.
Overlap Window
None
No work-hour overlap
Consider early/late meetings

Find Cities in Casablanca & Sydney Timezones

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The GMT+1 and GMT+11 timezones are separated by 9 hours. Casablanca is the largest city in the Africa/Casablanca zone and Melbourne is the largest in Australia/Sydney. Sydney observes daylight saving time — the difference may change by 1 hour seasonally. For scheduling between these regions, the key fact is: there is no comfortable overlap during standard business hours.

Best Times to Schedule Calls: Casablanca (GMT+1) ↔ Melbourne (GMT+11)

Casablanca (GMT+1) Sydney (GMT+11) Quality
12:00 AM 9:00 AM
1:00 AM 10:00 AM
2:00 AM 11:00 AM
3:00 AM 12:00 PM
4:00 AM 1:00 PM
5:00 AM 2:00 PM
6:00 AM 3:00 PM
7:00 AM 4:00 PM ⚠️
8:00 AM 5:00 PM ⚠️
9:00 AM 6:00 PM ⚠️
10:00 AM 7:00 PM ⚠️
11:00 AM 8:00 PM
12:00 PM 9:00 PM
1:00 PM 10:00 PM
2:00 PM 11:00 PM
3:00 PM 12:00 AM +1 day
4:00 PM 1:00 AM +1 day
5:00 PM 2:00 AM +1 day
6:00 PM 3:00 AM +1 day
7:00 PM 4:00 AM +1 day
8:00 PM 5:00 AM +1 day
9:00 PM 6:00 AM +1 day
10:00 PM 7:00 AM +1 day
11:00 PM 8:00 AM +1 day

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

GMT+1 to GMT+11: Complete 24-Hour Time Conversion Table

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

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

⚠️ Daylight Saving Time Affects This Pair

TimezoneDST?StandardDaylight
Africa/Casablanca No UTC+1
Australia/Sydney Yes UTC+10 UTC+11

During DST periods the time difference between these zones may be 10 hours instead of 9 hours. Always verify the current offset if scheduling calls near clock-change dates.