Observatory log
Hong Kong and Cuya, compared
- 01Difference now
Cuya is 11 hours behind Hong Kong.
Hong Kong: HKT (UTC+8) · Cuya: UTC−3 (UTC−3)
Next changeFrom 3 April 2027: Cuya is 12 hours behind Hong Kong.
- 02Through 2026–2027
- 1 January 2026 – 4 April 2026−11 h
- 4 April 2026 – 6 September 2026−12 h
- 6 September 2026 – 3 April 2027−11 h
- 3 April 2027 – 5 September 2027−12 h
- 5 September 2027 – 31 December 2027−11 h
Difference of Cuya from Hong Kong. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
Their working days never overlap.
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
20:00–22:00 in Hong Kong = 09:00–11:00 in Cuya
No shared office hours: this is early or late for one side (Mon–Fri).
- 05Weekend
Hong Kong: Saturday and Sunday
Cuya: Saturday and Sunday
24 hours
A day in Hong Kong, in Cuya
| Hong Kong | Cuya | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 13:00Yesterday | |
| 01:00 | 14:00Yesterday | |
| 02:00 | 15:00Yesterday | |
| 03:00 | 16:00Yesterday | |
| 04:00 | 17:00Yesterday | |
| 05:00 | 18:00Yesterday | |
| 06:00 | 19:00Yesterday | |
| 07:00 | 20:00Yesterday | |
| 08:00 | 21:00Yesterday | |
| 09:00 | 22:00Yesterday | |
| 10:00 | 23:00Yesterday | |
| 11:00 | 00:00 | |
| 12:00 | 01:00 | |
| 13:00 | 02:00 | |
| 14:00 | 03:00 | |
| 15:00 | 04:00 | |
| 16:00 | 05:00 | |
| 17:00 | 06:00 | |
| 18:00 | 07:00 | |
| 19:00 | 08:00 | |
| 20:00 | 09:00 | |
| 21:00 | 10:00 | |
| 22:00 | 11:00 | |
| 23:00 | 12:00 |
Working hoursEarly or eveningNightWeekend
Questions
Asked about Hong Kong and Cuya
What is the time difference between Hong Kong and Cuya?
Cuya is 11 hours behind Hong Kong. This holds until 3 April 2027; then Cuya is 12 hours behind Hong Kong.
What is the best time for a call between Hong Kong and Cuya?
No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 20:00–22:00 in Hong Kong = 09:00–11:00 in Cuya · 2 h.
When does the time difference between Hong Kong and Cuya change?
In the next 12 months it changes on: 3 April 2027 (−12 h); 5 September 2027 (−11 h).