Hong Kong to Upper Alton time converter

Upper Alton is 13 hours behind Hong Kong. When it is 9:00 AM in Hong Kong, it is 8:00 PM (Tue, Oct 20) in Upper Alton.

Hong Kong HKT

Wednesday, October 21, 2026

Upper Alton CDT

Wednesday, October 21, 2026

Hong Kong
Wed, Oct 21
HKTUTC+8
Upper Alton
Illinois, United States
Wed, Oct 21
CDTUTC-5-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Hong Kong to Upper Alton conversion table

Every hour of today in Hong Kong and the matching time in Upper Alton. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Hong Kong (8:00 PM – 10:00 PM in Upper Alton): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Hong Kong and Upper Alton switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 21, 2027: -13h

More conversions

Upper Alton to Hong KongHong Kong to New YorkHong Kong to LondonHong Kong to Los AngelesHong Kong to ChicagoHong Kong to TorontoHong Kong to São PauloHong Kong to ParisHong Kong to BerlinHong Kong to MoscowHong Kong to DubaiHong Kong to New DelhiHong Kong to Bangkok
New York to Upper AltonLondon to Upper AltonLos Angeles to Upper AltonChicago to Upper AltonToronto to Upper AltonSão Paulo to Upper AltonParis to Upper AltonBerlin to Upper AltonMoscow to Upper AltonDubai to Upper AltonNew Delhi to Upper AltonBangkok to Upper Alton

Questions and answers

What is the time difference between Hong Kong and Upper Alton?

Upper Alton is 13 hours behind Hong Kong.

What time is it in Upper Alton when it is 9 AM in Hong Kong?

When it is 9:00 AM in Hong Kong, it is 8:00 PM (Tue, Oct 20) in Upper Alton.

When is the best time to call Upper Alton from Hong Kong?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Hong Kong (8:00 PM – 10:00 PM in Upper Alton): working hours on one side, early or late on the other.

Does the time difference between Hong Kong and Upper Alton change?

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