Hong Kong to Porto Velho time
UTC+8 · UTC+8 → UTC-4 · UTC−4
Hong Kong is 12 hours ahead of Porto Velho
Hong Kong · UTC+8
Monday, 21 September 2026
Porto Velho · UTC-4
Monday, 21 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
Porto VelhoUTC-4 · -04:00
1215182100030609
No overlap in standard working hours. Closest workable window: 09:00–11:00 in Hong Kong, which is 21:00–23:00 in Porto Velho.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
19:07 Mon 21 Sep Hong Kong = 07:07 Mon 21 Sep Porto Velho
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. | Porto Velho | |
|---|---|---|
| 00:00 | 12:00prev. day | |
| 01:00 | 13:00prev. day | |
| 02:00 | 14:00prev. day | |
| 03:00 | 15:00prev. day | |
| 04:00 | 16:00prev. day | |
| 05:00 | 17:00prev. day | |
| 06:00 | 18:00prev. day | |
| 07:00 | 19:00prev. day | |
| 08:00 | 20:00prev. day | |
| 09:00 | 21:00prev. day | |
| 10:00 | 22:00prev. day | |
| 11:00 | 23:00prev. day | |
| 12:00 | 00:00 | |
| 13:00 | 01:00 | |
| 14:00 | 02:00 | |
| 15:00 | 03:00 | |
| 16:00 | 04:00 | |
| 17:00 | 05:00 | |
| 18:00 | 06:00 | |
| 19:00 | 07:00 | Now |
| 20:00 | 08:00 | |
| 21:00 | 09:00 | |
| 22:00 | 10:00 | |
| 23:00 | 11:00 |
Planning between Hong Kong and Porto Velho
Hong Kong (Asia/Hong_Kong) is UTC+8 and Porto Velho (America/Manaus) is UTC−4 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 21:00 in Porto Velho
- 12:00 in Hong Kong is 00:00 in Porto Velho
- 15:00 in Hong Kong is 03:00 in Porto Velho
- 18:00 in Hong Kong is 06:00 in Porto Velho
Reverse: Porto Velho to Hong Kong. Or open both in the meeting planner with more cities.