Time difference between Hong Kong and Hilo

−18 hHilo is 18 hours behind Hong Kong.

Hong KongHong Kong SAR China

HKTUTC+8

HiloUnited States

HSTUTC−10

Observatory log

Hong Kong and Hilo, compared

01Difference now

Hilo is 18 hours behind Hong Kong.

Hong Kong: HKT (UTC+8) · Hilo: HST (UTC−10)

02Through 2026–2027

The difference stays the same all year.

Difference of Hilo from Hong Kong. It changes on the days either place changes its clocks (dates local to that place).

03Shared working hours

Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.

04Best time to meet

09:00–11:00 in Hong Kong = 15:00–17:00 in Hilo

Inside both working days (Tue–Fri).

05Weekend

Hong Kong: Saturday and Sunday

Hilo: Saturday and Sunday

24 hours

Each hour of 20 October 2026 in Hong Kong and the same moment in Hilo
Hong Kong	Hilo	Working hours, evening, night or weekend in each place
00:00	06:00Yesterday
01:00	07:00Yesterday
02:00	08:00Yesterday
03:00	09:00Yesterday
04:00	10:00Yesterday
05:00	11:00Yesterday
06:00	12:00Yesterday
07:00	13:00Yesterday
08:00	14:00Yesterday
09:00	15:00Yesterday
10:00	16:00Yesterday
11:00	17:00Yesterday
12:00	18:00Yesterday
13:00	19:00Yesterday
14:00	20:00Yesterday
15:00	21:00Yesterday
16:00	22:00Yesterday
17:00	23:00Yesterday
18:00	00:00
19:00	01:00
20:00	02:00
21:00	03:00
22:00	04:00
23:00	05:00

Working hoursEarly or eveningNightWeekend

More time differences with Hong Kong

Questions

What is the time difference between Hong Kong and Hilo?

Hilo is 18 hours behind Hong Kong. The difference stays the same all year.

What is the best time for a call between Hong Kong and Hilo?

Inside both working days: Tue–Fri: 09:00–11:00 in Hong Kong = 15:00–17:00 in Hilo (yesterday) · 2 h.

When does the time difference between Hong Kong and Hilo change?

It does not change in the next 12 months: Hong Kong and Hilo either keep the same time all year or change their clocks on the same dates.