Shanghai to Lake Ronkonkoma time converter

Lake Ronkonkoma is 12 hours behind Shanghai. When it is 9:00 AM in Shanghai, it is 9:00 PM (Wed, Oct 21) in Lake Ronkonkoma.

Shanghai CST

Thursday, October 22, 2026

Lake Ronkonkoma EDT

Wednesday, October 21, 2026

Shanghai
China
Thu, Oct 22
CSTUTC+8
Lake Ronkonkoma
New York, United States
Wed, Oct 21
EDTUTC-4-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Shanghai to Lake Ronkonkoma conversion table

Every hour of today in Shanghai and the matching time in Lake Ronkonkoma. Light rows are typical working hours (9:00–18:00).

ShanghaiLake Ronkonkoma
12:00 AM12:00 PM−1 day
1:00 AM1:00 PM−1 day
2:00 AM2:00 PM−1 day
3:00 AM3:00 PM−1 day
4:00 AM4:00 PM−1 day
5:00 AM5:00 PM−1 day
6:00 AM6:00 PM−1 day
7:00 AM7:00 PM−1 day
8:00 AM8:00 PM−1 day
9:00 AM9:00 PM−1 day
10:00 AM10:00 PM−1 day
11:00 AM11:00 PM−1 day
12:00 PM12:00 AM
1:00 PM1:00 AM
2:00 PM2:00 AM
3:00 PM3:00 AM
4:00 PM4:00 AM
5:00 PM5:00 AM
6:00 PM6:00 AM
7:00 PM7:00 AM
8:00 PM8:00 AM
9:00 PM9:00 AM
10:00 PM10:00 AM
11:00 PM11:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Shanghai (9:00 PM – 10:00 PM in Lake Ronkonkoma): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Shanghai and Lake Ronkonkoma switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 22, 2027: -12h

Distance

Shanghai and Lake Ronkonkoma are 11,863 km (7,371 miles) apart in a straight line.

More conversions

Lake Ronkonkoma to ShanghaiShanghai to New YorkShanghai to LondonShanghai to Los AngelesShanghai to ChicagoShanghai to TorontoShanghai to São PauloShanghai to ParisShanghai to BerlinShanghai to MoscowShanghai to DubaiShanghai to New DelhiShanghai to Bangkok
New York to Lake RonkonkomaLondon to Lake RonkonkomaLos Angeles to Lake RonkonkomaChicago to Lake RonkonkomaToronto to Lake RonkonkomaSão Paulo to Lake RonkonkomaParis to Lake RonkonkomaBerlin to Lake RonkonkomaMoscow to Lake RonkonkomaDubai to Lake RonkonkomaNew Delhi to Lake RonkonkomaBangkok to Lake Ronkonkoma

Questions and answers

What is the time difference between Shanghai and Lake Ronkonkoma?

Lake Ronkonkoma is 12 hours behind Shanghai.

What time is it in Lake Ronkonkoma when it is 9 AM in Shanghai?

When it is 9:00 AM in Shanghai, it is 9:00 PM (Wed, Oct 21) in Lake Ronkonkoma.

When is the best time to call Lake Ronkonkoma from Shanghai?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Shanghai (9:00 PM – 10:00 PM in Lake Ronkonkoma): working hours on one side, early or late on the other.

Does the time difference between Shanghai and Lake Ronkonkoma change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.