🇸🇬 Singapore to 🇺🇸 Honolulu time
Honolulu is 18 hours behind Singapore
Convert a specific time
When it is in Singapore, it is 15:00 in Honolulu.
Singapore to Honolulu — hour by hour
| 00:00 | 06:00 −1d |
| 01:00 | 07:00 −1d |
| 02:00 | 08:00 −1d |
| 03:00 | 09:00 −1d |
| 04:00 | 10:00 −1d |
| 05:00 | 11:00 −1d |
| 06:00 | 12:00 −1d |
| 07:00 | 13:00 −1d |
| 08:00 | 14:00 −1d |
| 09:00 | 15:00 −1d |
| 10:00 | 16:00 −1d |
| 11:00 | 17:00 −1d |
| 12:00 | 18:00 −1d |
| 13:00 | 19:00 −1d |
| 14:00 | 20:00 −1d |
| 15:00 | 21:00 −1d |
| 16:00 | 22:00 −1d |
| 17:00 | 23:00 −1d |
| 18:00 | 00:00 |
| 19:00 | 01:00 |
| 20:00 | 02:00 |
| 21:00 | 03:00 |
| 22:00 | 04:00 |
| 23:00 | 05:00 |
Time difference by month (2026)
How far Honolulu runs ahead (+) or behind (−) Singapore on the 15th of each month.
| Jan | −18h |
| Feb | −18h |
| Mar | −18h |
| Apr | −18h |
| May | −18h |
| Jun | −18h |
| Jul | −18h |
| Aug | −18h |
| Sep | −18h |
| Oct | −18h |
| Nov | −18h |
| Dec | −18h |
This difference holds all year — neither city's clock changes affect it.
Time difference between Singapore and Honolulu
Honolulu (Pacific/Honolulu) is currently 18 hours behind Singapore (Asia/Singapore). When it is 09:00 in Singapore, it is 15:00 in Honolulu. Neither city observes daylight saving time, so this difference stays the same all year.
Best time to call between Singapore and Honolulu
For a call or meeting, there is no overlap between normal working hours (09:00–18:00) in the two cities — one side will need an early morning or late evening call.
Going the other way?
See the reverse conversion: Honolulu to Singapore time, or the city pages for Singapore and Honolulu.