Honolulu is currently 18 hours behind Singapore. Convert time between Honolulu and Singapore, see the exact difference, and find the best hours for calls and meetings.
Honolulu uses Hawaii-Aleutian Standard Time. Singapore uses Singapore Standard Time. Honolulu time is 18 hours behind Singapore. So, when it is 12:00 AM in Honolulu, it is 6:00 PM in Singapore.
Common Honolulu times and their Singapore equivalents.
| Honolulu Time | Singapore Time |
|---|---|
| 12:00 AM Honolulu | 6:00 PM Singapore |
| 1:00 AM Honolulu | 7:00 PM Singapore |
| 2:00 AM Honolulu | 8:00 PM Singapore |
| 3:00 AM Honolulu | 9:00 PM Singapore |
| 4:00 AM Honolulu | 10:00 PM Singapore |
| 5:00 AM Honolulu | 11:00 PM Singapore |
| 6:00 AM Honolulu | 12:00 AM Singapore |
| 7:00 AM Honolulu | 1:00 AM Singapore |
| 8:00 AM Honolulu | 2:00 AM Singapore |
| 9:00 AM Honolulu | 3:00 AM Singapore |
| 10:00 AM Honolulu | 4:00 AM Singapore |
| 11:00 AM Honolulu | 5:00 AM Singapore |
| 12:00 PM Honolulu | 6:00 AM Singapore |
| 1:00 PM Honolulu | 7:00 AM Singapore |
| 2:00 PM Honolulu | 8:00 AM Singapore |
| 3:00 PM Honolulu | 9:00 AM Singapore |
| 4:00 PM Honolulu | 10:00 AM Singapore |
| 5:00 PM Honolulu | 11:00 AM Singapore |
| 6:00 PM Honolulu | 12:00 PM Singapore |
| 7:00 PM Honolulu | 1:00 PM Singapore |
| 8:00 PM Honolulu | 2:00 PM Singapore |
| 9:00 PM Honolulu | 3:00 PM Singapore |
| 10:00 PM Honolulu | 4:00 PM Singapore |
| 11:00 PM Honolulu | 5:00 PM Singapore |
Honolulu uses Hawaii-Aleutian Standard Time (HST, UTC−10). No Daylight Saving Time is observed — the offset is fixed year-round.
Singapore uses Singapore Time (SGT, UTC+8) year-round with no Daylight Saving Time. Singapore is situated near the equator, which means daylight hours barely vary throughout the year, making DST unnecessary. SGT aligns with Kuala Lumpur (MYT), Hong Kong (HKT), and China (CST).
The offset between Honolulu and Singapore is fixed — neither location observes Daylight Saving Time.
| Period | Note | Honolulu | Singapore | Offset |
|---|---|---|---|---|
| All year current | No Daylight Saving Time observed | HST (UTC−10) | GMT+8 (UTC+8) | 18 hours |
Neither Honolulu nor Singapore observes Daylight Saving Time. The offset between these two zones is fixed year-round.
Honolulu is currently 18 hours behind Singapore. Honolulu uses Hawaii-Aleutian Standard Time (UTC−10) and Singapore uses Singapore Standard Time (UTC+8).
Honolulu and Singapore have no standard 9 am–6 pm business-hour overlap. Consider scheduling during early morning or late evening, or use a rotating schedule to share the inconvenience.
When it is 9:00 AM in Honolulu, it is 3:00 am in Singapore (previous day). Honolulu is 18 hours behind Singapore.
When it is 5:00 PM in Singapore, it is 11:00 pm in Honolulu (next day).