Seattle, WA, USA to Adelaide, Australia
Time Difference
PDT (Pacific Daylight Time) is 16 hours and 30 minutes behind ACST (Australian Central Standard Time)
6:00 pm18:00 in Seattle, WA, USA is 10:30 am10:30 in Adelaide, Australia
Seattle to Adelaide call time
Best time for a conference call or a meeting is between 4:30am-6:30am in Seattle which corresponds to 9pm-11pm in Adelaide
6:00 pm18:00 PDT (Pacific Daylight Time) (Seattle, WA, USA). Offset UTC -7:00 hours
10:30 am10:30 ACST (Australian Central Standard Time) (Adelaide, Australia). Offset UTC +9:30 hours
6:00 pm18:00 Seattle, WA, USA / 10:30 am10:30 Adelaide, Australia
| Seattle, WA, USA | Adelaide, Australia |
|---|---|
| 12am (midnight) | 4:30 pm |
| 1am | 5:30 pm |
| 2am | 6:30 pm |
| 3am | 7:30 pm |
| 4am | 8:30 pm |
| 5am | 9:30 pm |
| 6am | 10:30 pm |
| 7am | 11:30 pm |
| 8am | 12:30 am |
| 9am | 1:30 am |
| 10am | 2:30 am |
| 11am | 3:30 am |
| 12pm (noon) | 4:30 am |
| 1pm | 5:30 am |
| 2pm | 6:30 am |
| 3pm | 7:30 am |
| 4pm | 8:30 am |
| 5pm | 9:30 am |
| 6pm | 10:30 am |
| 7pm | 11:30 am |
| 8pm | 12:30 pm |
| 9pm | 1:30 pm |
| 10pm | 2:30 pm |
| 11pm | 3:30 pm |
| 0:00 | 16:30 |
| 1:00 | 17:30 |
| 2:00 | 18:30 |
| 3:00 | 19:30 |
| 4:00 | 20:30 |
| 5:00 | 21:30 |
| 6:00 | 22:30 |
| 7:00 | 23:30 |
| 8:00 | 0:30 |
| 9:00 | 1:30 |
| 10:00 | 2:30 |
| 11:00 | 3:30 |
| 12:00 | 4:30 |
| 13:00 | 5:30 |
| 14:00 | 6:30 |
| 15:00 | 7:30 |
| 16:00 | 8:30 |
| 17:00 | 9:30 |
| 18:00 | 10:30 |
| 19:00 | 11:30 |
| 20:00 | 12:30 |
| 21:00 | 13:30 |
| 22:00 | 14:30 |
| 23:00 | 15:30 |
Seattle Information
Time Zone
Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Seattle Facts
Country
USA
State
Washington
Alternative Names
SEA, Seatl, Seattle, Seattlum, Siatl, Siatul, Siehtl, Sietl, Sietla, Sietlas, Sijetl, Siyaatil, Séatl, ciyattil, shiatoru, si'aitala, siaeteul, sietʼli, siyatal, siyatala, syatl, xi ya tu, Σιάτλ, Сиатъл, Сиетл, Сиэтл, Сијетл, Сіэтл, Сієтл, Սիեթլ, סיאטל, سياتل, سیئٹل, سیاتل, سیاٹل, सिअॅटल, सीऐटल, সিয়াটল, சியாட்டில், ಸಿಯಾಟಲ್, ซีแอตเทิล, სიეტლი, ስያትል, ស៊ីតថល, シアトル, 西雅圖, 시애틀
Population
684,451
Currency
Dollar (USD)
Geographic Coordinates
47° 36' N Latitude / 122° 19' W Longitude
International Dialing Code
+1
Adelaide Information
Time Zone
Abbreviation / Name
ACST - Australian Central Standard Time
ACDT - Australian Central Daylight Time
ACDT - Australian Central Daylight Time
UTC / GMT Offset
+9:30 hours during Australian Central Standard Time, currently in use.
+10:30 hours during Australian Central Daylight Time.
+10:30 hours during Australian Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, October 5, 2025 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 5, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, April 6, 2025 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 6, 2025, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Adelaide Facts
Country
Australia
Alternative Names
ADL, Adehlaida, Adelaida, Adelaidae, Adelaide, Adelaidis, Adelaidė, Adelajda, Adelajdo, Adelaïda, Adelaïde, Adelejd, Adelàida, Adélaïde, Edelaid, Tarndanya, Tarndarnya, a de lai de, adelaida, aderedo, adilaid, adiled, adlayd, adylyd, aedeulleideu, atileyit, edile'ida, edileda, Αδελαΐδα, Аделаидæ, Аделаида, Аделаїда, Аделейд, Аделејд, Адэлаіда, Ադելաիդա, אדלייד, آدلاید, أديليد, ئادېلايدې, ایڈیلیڈ, एडिलेड, ॲdaleda, ॲडलेड, એડિલેઇડ, அடிலெயிட், అడిలైడ్, ಅಡಿಲೇಡ್, അഡിലെയ്ഡ്, แอดิเลด, အက်ဒလိတ်မြို့, ადელაიდა, アデレード, 阿德来得, 阿德莱德, 애들레이드
Population
1,225,235
Currency
Dollar (AUD)
Geographic Coordinates
34° 55' S Latitude / 138° 35' E Longitude
International Dialing Code
+61