New York
United States
--:-- --
EST · UTC-5 14 hours 30 minutes difference
Adelaide
Australia
--:-- --
GMT+10:30 · UTC+9:30 Convert New York (EST) to Adelaide (GMT+10:30) Time — 14 hours 30 minutes apart
America/New_York · EST · UTC-5 | Australia/Adelaide · GMT+10:30 · UTC+9:30 · 14 hours 30 minutes difference · 499 cities · DST applies
24-Hour Overlap Timeline
❌ No business-hours overlap between New York and Adelaide (9–18 local)
⚠ New York and Adelaide observe daylight saving time — offset may vary by up to 1 hour seasonally
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC → | ||||||||||||||||||||||||
| 🇺🇸 New York UTC-5 | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p |
| 🇦🇺 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 |
Both working Working Off hours Sleeping Now
Key Facts: New York (EST) vs Adelaide (GMT+10:30)
Time Gap
14h 30m
Adelaide ahead
May vary ±1h (DST)
DST Status
⏰ New York
Observes DST
⏰ Adelaide: Observes DST
Cities in EST
498
Largest: New York
18,832,416 pop.
Overlap Window
None
No work-hour overlap
Consider early/late meetings
Find Cities in New York & Adelaide Timezones
The EST and GMT+10:30 timezones are separated by 14 hours 30 minutes. New York is the largest city in the America/New_York zone and Adelaide is the largest in Australia/Adelaide. New York 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: New York (EST) ↔ Adelaide (GMT+10:30)
| New York (EST) | Adelaide (GMT+10:30) | Quality |
|---|---|---|
| 12:00 AM | 2:00 PM | ❌ |
| 1:00 AM | 3:00 PM | ❌ |
| 2:00 AM | 4:00 PM | ❌ |
| 3:00 AM | 5:00 PM | ❌ |
| 4:00 AM | 6:00 PM | ❌ |
| 5:00 AM | 7:00 PM | ❌ |
| 6:00 AM | 8:00 PM | ❌ |
| 7:00 AM | 9:00 PM | ❌ |
| 8:00 AM | 10:00 PM | ❌ |
| 9:00 AM | 11:00 PM | ❌ |
| 10:00 AM | 12:00 AM +1 day | ❌ |
| 11:00 AM | 1:00 AM +1 day | ❌ |
| 12:00 PM | 2:00 AM +1 day | ❌ |
| 1:00 PM | 3:00 AM +1 day | ❌ |
| 2:00 PM | 4:00 AM +1 day | ❌ |
| 3:00 PM | 5:00 AM +1 day | ❌ |
| 4:00 PM | 6:00 AM +1 day | ❌ |
| 5:00 PM | 7:00 AM +1 day | ⚠️ |
| 6:00 PM | 8:00 AM +1 day | ⚠️ |
| 7:00 PM | 9:00 AM +1 day | ⚠️ |
| 8:00 PM | 10:00 AM +1 day | ❌ |
| 9:00 PM | 11:00 AM +1 day | ❌ |
| 10:00 PM | 12:00 PM +1 day | ❌ |
| 11:00 PM | 1:00 PM +1 day | ❌ |
Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.
EST to GMT+10:30: Complete 24-Hour Time Conversion Table
| New York (EST) | Adelaide (GMT+10:30) | IST (UTC+5:30) |
|---|---|---|
| 12:00 AM | 2:30 PM | 10:30 AM |
| 1:00 AM | 3:30 PM | 11:30 AM |
| 2:00 AM | 4:30 PM | 12:30 PM |
| 3:00 AM | 5:30 PM | 1:30 PM |
| 4:00 AM | 6:30 PM | 2:30 PM |
| 5:00 AM | 7:30 PM | 3:30 PM |
| 6:00 AM | 8:30 PM | 4:30 PM |
| 7:00 AM | 9:30 PM | 5:30 PM |
| 8:00 AM | 10:30 PM | 6:30 PM |
| 9:00 AM | 11:30 PM | 7:30 PM |
| ← Date changes in Adelaide → | ||
| 10:00 AM | 12:30 AM +1 | 8:30 PM |
| 11:00 AM | 1:30 AM +1 | 9:30 PM |
| 12:00 PM | 2:30 AM +1 | 10:30 PM |
| 1:00 PM | 3:30 AM +1 | 11:30 PM |
| 2:00 PM | 4:30 AM +1 | 12:30 AM |
| 3:00 PM | 5:30 AM +1 | 1:30 AM |
| 4:00 PM | 6:30 AM +1 | 2:30 AM |
| 5:00 PM | 7:30 AM +1 | 3:30 AM |
| 6:00 PM | 8:30 AM +1 | 4:30 AM |
| 7:00 PM | 9:30 AM +1 | 5:30 AM |
| 8:00 PM | 10:30 AM +1 | 6:30 AM |
| 9:00 PM | 11:30 AM +1 | 7:30 AM |
| 10:00 PM | 12:30 PM +1 | 8:30 AM |
| 11:00 PM | 1:30 PM +1 | 9:30 AM |
IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.
498 Cities in New York (EST) & 1 Cities in Adelaide (GMT+10:30) — Page 1 of 3
New York & 497 more — New York (EST, UTC-5)
- New York, US 18.8M
- Miami, US 6.1M
- Philadelphia, US 5.7M
- Toronto, CA 5.6M
- Atlanta, US 5.2M
- Washington, US 5.1M
- Boston, US 4.4M
- Detroit, US 3.7M
- Montreal, CA 3.7M
- Tampa, US 2.9M
- Brooklyn, US 2.7M
- Queens, US 2.4M
- Baltimore, US 2.2M
- Orlando, US 1.9M
- Indianapolis, US 1.7M
Pittsburgh, USCincinnati, USManhattan, USCleveland, USColumbus, USBronx, USCharlotte, USVirginia Beach, USJacksonville, USProvidence, USRaleigh, USRichmond, USOttawa, CAPort-au-Prince, HTHartford, USLouisville, USBuffalo, USBridgeport, USHempstead, USQuebec City, CAHamilton, CACharleston, USMississauga, CARochester, USDayton, USBrampton, CACape Coral, USAllentown, USKnoxville, USGrand Rapids, USColumbia, USAlbany, USNew Haven, USPalm Bay, USAkron, USKitchener, CACarrefour, HTHarrisburg, USStaten Island, USToledo, USBrookhaven, USWorcester, USPort St. Lucie, USBonita Springs, USKissimmee, USAugusta, USSpringfield, USLaval, CAWinston-Salem, USLondon, CADurham, USChattanooga, USGreenville, USLancaster, USSyracuse, USScranton, USTrenton, USPetion-Ville, HTGonaives, HTGreensboro, USFort Wayne, USIslip, USMarkham, CAOshawa, CAFayetteville, USMyrtle Beach, USVaughan, CALexington, USLansing, USSavannah, USYoungstown, USAnn Arbor, USPoughkeepsie, USNewark, USWindsor, CAOyster Bay, USConcord, USWinter Haven, USAsheville, USCanton, USFlint, USGatineau, CALakeland, USJersey City, USCroix-des-Bouquets, HTDelmas, HTReading, USSouth Bend, USWilmington, USNassau, BSTallahassee, USSt. Petersburg, USLongueuil, CAChesapeake, USNashua, USYork, USRock Hill, USSt. Catharines, CANorth Hempstead, USArlington, USNorfolk, USDeltona, USHialeah, USGainesville, USBabylon, USRoanoke, USOakville, CAPortland, USSpartanburg, USYonkers, USHagerstown, USKalamazoo, USLorain, USHuntington, USRichmond Hill, CAHickory, USWaterbury, USOcala, USFrederick, USGastonia, USSpring Hill, USBurlington, CANewport News, USErie, USFort Lauderdale, USMauldin, USCary, USDanbury, USSherbrooke, CAHigh Point, USPetite Riviere de l'Artibonite, HTPembroke Pines, USFredericksburg, USSudbury, CANorwich, USManchester, USMuskegon, USLeesburg, USLafayette, USSaint-Marc, HTPaterson, USAlexandria, USMacon, USCap-Haitien, HTBarrie, CABurlington, USWarner Robins, USHollywood, USNew Bedford, USSouth Lyon, USBinghamton, USRamapo, USLevis, CAJean-Rabel, HTAthens, USElkhart, USSaguenay, CAGuelph, CATrois-Rivieres, CAWhitby, CACambridge, CAWarren, USJacmel, HTHampton, USKanata, CALakewood, USMiramar, USElizabeth, USStamford, USCoral Springs, USSterling Heights, USMilton, CAKingston, CAArcahaie, HTTabarre, HTAmherst, USJohnson City, USDover, USDessalines, HTLehigh Acres, USAjax, CAWaldorf, USLynchburg, USWaterloo, CAPort-de-Paix, HT
Adelaide & cities — Adelaide (GMT+10:30, UTC+9:30)
- Adelaide, AU 1.4M
⚠️ Daylight Saving Time Affects This Pair
| Timezone | DST? | Standard | Daylight |
|---|---|---|---|
| America/New_York | Yes | UTC-5 | UTC-4 |
| Australia/Adelaide | Yes | UTC+9:30 | UTC+10.5 |
During DST periods the time difference between these zones may be 14 hours 30 minutes instead of 14 hours 30 minutes. Always verify the current offset if scheduling calls near clock-change dates.