Mountain View to Hong Kong time converter

Hong Kong is 15 hours ahead of Mountain View. When it is 9:00 AM in Mountain View, it is 12:00 AM (Wed, Oct 21) in Hong Kong.

Mountain View PDT

Tuesday, October 20, 2026

Hong Kong HKT

Wednesday, October 21, 2026

Mountain View
California, United States
Tue, Oct 20
PDTUTC-7
Hong Kong
Wed, Oct 21
HKTUTC+8+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Mountain View to Hong Kong conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Mountain View (7:00 AM – 9:00 AM in Hong Kong): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 20, 2027: +15h

More conversions

Hong Kong to Mountain ViewMountain View to New YorkMountain View to LondonMountain View to Los AngelesMountain View to ChicagoMountain View to TorontoMountain View to São PauloMountain View to ParisMountain View to BerlinMountain View to MoscowMountain View to DubaiMountain View to New DelhiMountain View to Bangkok
New York to Hong KongLondon to Hong KongLos Angeles to Hong KongChicago to Hong KongToronto to Hong KongSão Paulo to Hong KongParis to Hong KongBerlin to Hong KongMoscow to Hong KongDubai to Hong KongNew Delhi to Hong KongBangkok to Hong Kong

Questions and answers

What is the time difference between Mountain View and Hong Kong?

Hong Kong is 15 hours ahead of Mountain View.

What time is it in Hong Kong when it is 9 AM in Mountain View?

When it is 9:00 AM in Mountain View, it is 12:00 AM (Wed, Oct 21) in Hong Kong.

When is the best time to call Hong Kong from Mountain View?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Mountain View (7:00 AM – 9:00 AM in Hong Kong): working hours on one side, early or late on the other.

Does the time difference between Mountain View and Hong Kong change?

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