Shanghai to Diamond Head Time Converter

Updating current time…
Shanghai
ChinaCST
UTC+8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Diamond Head
Hawaii, USAHST
UTC−10
18h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 pm20:00 CST (UTC+8), Oct 28, 2026 = 2:00 am02:00 HST (UTC-10), Oct 28, 2026

Shanghai is 18 hours ahead of Diamond Head.

How the time difference changes

Shanghai is 18 hours ahead of Diamond Head year-round.

Working hours of 9:00 am to 6:00 pm in Shanghai correspond to 3:00 pm (previous day) to 12:00 am in Diamond Head.Working hours of 09:00 to 18:00 in Shanghai correspond to 15:00 (previous day) to 00:00 in Diamond Head.

Compare Shanghai time with Diamond Head time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CST (China Standard Time) is 18 hours ahead of HST (Hawaii Standard Time).
8:00 pm20:00 in Shanghai, China is 2:00 am02:00 in Diamond Head, HI, USA

Shanghai to Diamond Head call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in Shanghai which corresponds to 3pm-6pm15:00-18:00 in Diamond Head (previous day)

8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
2:00 am02:00 HST (Hawaii Standard Time) (Diamond Head, HI, USA). Offset UTC -10:00 hours

8:00 pm20:00 Shanghai, China / 2:00 am02:00 Diamond Head, HI, USA

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Hourly time comparison
Shanghai, ChinaDiamond Head, HI, USA
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Shanghai Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – China Standard Time, UTC+8 (no daylight saving time)

Shanghai Facts

Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
24,874,500
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86
More About Shanghai
Shanghai local time and city facts

Diamond Head Time Zone and Facts

Time Zone

Abbreviation / Offset
HST – Hawaii Standard Time, UTC-10 (no daylight saving time)

Diamond Head Facts

Country
USA
State
Hawaii
Population
1,276
Currency
Dollar (USD)
Geographic Coordinates
21° 15' N Latitude / 157° 47' W Longitude
International Dialing Code
+1
More About Diamond Head
Diamond Head local time and city facts