Hong Kong to Rio de Janeiro time
UTC+8 · UTC+8 → UTC-3 · UTC−3
Hong Kong is 11 hours ahead of Rio de Janeiro
Hong Kong · UTC+8
Friday, 25 September 2026
Rio de Janeiro · UTC-3
Thursday, 24 September 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
0003060912151821
Hong KongUTC+8 · +08:00
0003060912151821
Rio de JaneiroUTC-3 · -03:00
1316192201040710
No overlap in standard working hours. Closest workable window: 20:00–23:00 in Hong Kong, which is 09:00–12:00 in Rio de Janeiro.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
08:04 Fri 25 Sep Hong Kong = 21:04 Thu 24 Sep Rio de Janeiro
Hour-by-hour conversion
| Hong KongEvery hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Rio de Janeiro | |
|---|---|---|
| 00:00 | 13:00prev. day | |
| 01:00 | 14:00prev. day | |
| 02:00 | 15:00prev. day | |
| 03:00 | 16:00prev. day | |
| 04:00 | 17:00prev. day | |
| 05:00 | 18:00prev. day | |
| 06:00 | 19:00prev. day | |
| 07:00 | 20:00prev. day | |
| 08:00 | 21:00prev. day | Now |
| 09:00 | 22:00prev. day | |
| 10:00 | 23:00prev. day | |
| 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 |
Planning between Hong Kong and Rio de Janeiro
Hong Kong (Asia/Hong_Kong) is UTC+8 and Rio de Janeiro (America/Sao_Paulo) is UTC−3 right now. Working hours are shown as 09:00–18:00 local, sleeping hours as 23:00–07:00.
- 09:00 in Hong Kong is 22:00 in Rio de Janeiro
- 12:00 in Hong Kong is 01:00 in Rio de Janeiro
- 15:00 in Hong Kong is 04:00 in Rio de Janeiro
- 18:00 in Hong Kong is 07:00 in Rio de Janeiro
Reverse: Rio de Janeiro to Hong Kong. Or open both in the meeting planner with more cities.