Hong Kong to São Tomé time
UTC+8 · UTC+8 → GMT · UTC+0
Hong Kong is 8 hours ahead of São Tomé
Hong Kong · UTC+8
Tuesday, 22 September 2026
São Tomé · GMT
Tuesday, 22 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
São ToméGMT · +00:00
1619220104071013
Shared working hours: 17:00–18:00 in Hong Kong is 09:00–10:00 in São Tomé.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
15:24 Tue 22 Sep Hong Kong = 07:24 Tue 22 Sep São Tomé
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. | São Tomé | |
|---|---|---|
| 00:00 | 16:00prev. day | |
| 01:00 | 17:00prev. day | |
| 02:00 | 18:00prev. day | |
| 03:00 | 19:00prev. day | |
| 04:00 | 20:00prev. day | |
| 05:00 | 21:00prev. day | |
| 06:00 | 22:00prev. day | |
| 07:00 | 23:00prev. day | |
| 08:00 | 00:00 | |
| 09:00 | 01:00 | |
| 10:00 | 02:00 | |
| 11:00 | 03:00 | |
| 12:00 | 04:00 | |
| 13:00 | 05:00 | |
| 14:00 | 06:00 | |
| 15:00 | 07:00 | Now |
| 16:00 | 08:00 | |
| 17:00 | 09:00 | Both at work |
| 18:00 | 10:00 | |
| 19:00 | 11:00 | |
| 20:00 | 12:00 | |
| 21:00 | 13:00 | |
| 22:00 | 14:00 | |
| 23:00 | 15:00 |
Planning between Hong Kong and São Tomé
Hong Kong (Asia/Hong_Kong) is UTC+8 and São Tomé (Africa/Sao_Tome) is UTC+0 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 01:00 in São Tomé
- 12:00 in Hong Kong is 04:00 in São Tomé
- 15:00 in Hong Kong is 07:00 in São Tomé
- 18:00 in Hong Kong is 10:00 in São Tomé
Reverse: São Tomé to Hong Kong. Or open both in the meeting planner with more cities.