Singapore to Honolulu Time Difference
🇸🇬 Singapore is currently 18 hours behind of 🇺🇸 Honolulu.
Live Calculator
Atin 🇸🇬 Singapore→it will be—in 🇺🇸 Honolulu
Open full calculator →DST-accurate · shareable link
Difference
-18h
Business overlap
3h
Distance
10,814 km
Approx. flight
12.7h
Hour-by-Hour: Singapore to Honolulu
| 🇸🇬 Singapore | 🇺🇸 Honolulu | Note |
|---|---|---|
| 12:00 AM | 6:00 AM | |
| 1:00 AM | 7:00 AM | |
| 2:00 AM | 8:00 AM | |
| 3:00 AM | 9:00 AM | |
| 4:00 AM | 10:00 AM | |
| 5:00 AM | 11:00 AM | |
| 6:00 AM | 12:00 PM | |
| 7:00 AM | 1:00 PM | |
| 8:00 AM | 2:00 PM | |
| 9:00 AM | 3:00 PM | |
| 10:00 AM | 4:00 PM | |
| 11:00 AM | 5:00 PM | |
| 12:00 PM | 6:00 PM | |
| 1:00 PM | 7:00 PM | |
| 2:00 PM | 8:00 PM | |
| 3:00 PM | 9:00 PM | |
| 4:00 PM | 10:00 PM | |
| 5:00 PM | 11:00 PM | |
| 6:00 PM | 12:00 AM(next day) | Next day |
| 7:00 PM | 1:00 AM(next day) | Next day |
| 8:00 PM | 2:00 AM(next day) | Next day |
| 9:00 PM | 3:00 AM(next day) | Next day |
| 10:00 PM | 4:00 AM(next day) | Next day |
| 11:00 PM | 5:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Singapore nor Honolulu observes Daylight Saving Time. The time difference is always 18 hours behind.
Best Meeting Times
There are 3 overlapping business hours between Singapore and Honolulu (9 AM – 6 PM in each city).
🇸🇬 Singapore
9:00 AM – 12:00 PM
🇺🇸 Honolulu
3:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Singapore and Honolulu?
The time difference between Singapore and Honolulu is currently 18 hours behind. Singapore uses GMT+8 (UTC+8), while Honolulu uses HST (UTC-10).
When it's noon in Singapore, what time is it in Honolulu?
When it's 12:00 PM (noon) in Singapore, it is 6:00 PM in Honolulu. Use our calculator above to convert any other time.
Does the time difference between Singapore and Honolulu change?
No. The time difference between Singapore and Honolulu is always 18 hours behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Singapore and Honolulu?
The best time to call is between 9:00 AM and 12:00 PM in Singapore (which is 3:00 PM – 6:00 PM in Honolulu). This 3-hour window falls within business hours in both cities.
Is Singapore ahead or behind Honolulu?
Singapore is currently 18 hours ahead of Honolulu.
What time zone is Singapore in?
Singapore is in the Asia/Singapore time zone, currently using GMT+8 (UTC+8). Singapore does not observe Daylight Saving Time.
What time is midnight in Singapore in Honolulu?
When it is midnight (12:00 AM) in Singapore, it is 6:00 AM in Honolulu.