Honolulu to Singapore Time Difference
Singapore is 18 hours ahead of Honolulu. When it is noon in Honolulu, it is 06:00 in Singapore.
Honolulu (UTC-10) → Singapore (UTC+8)
🕐 Interactive Time Explorer
When it's 13:00 in Honolulu, it's 07:00 in Singapore
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Honolulu & Singapore✓ Perfect Match (2 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
10,814 km
Est. Flight Time
~13.7h
Time Difference
+18h
Work Hours Overlap
2h
Limited
🔴 Office Closed
Today 15:00
15:00 - 17:00
⏰ Quick Conversion
06:00
Honolulu
00:00
Singapore (+1)
09:00
Honolulu
03:00
Singapore (+1)
12:00
Honolulu
06:00
Singapore (+1)
15:00
Honolulu
09:00
Singapore (+1)
18:00
Honolulu
12:00
Singapore (+1)
21:00
Honolulu
15:00
Singapore (+1)
00:00
Honolulu
18:00
Singapore
03:00
Honolulu
21:00
Singapore
Frequently Asked Questions
How many hours is Honolulu behind Singapore?
Singapore is 18 hours ahead of Honolulu. When it is 12:00 noon in Honolulu, it is 06:00 in Singapore. Honolulu operates on Pacific/Honolulu (UTC-10), while Singapore uses Asia/Singapore (UTC+8).
What is the best time to call Singapore from Honolulu?
There are 3 hours of overlapping business time (9 AM–5 PM) between Honolulu and Singapore. The best window is 15:00–18:00 Honolulu time (09:00–12:00 in Singapore).
Does the Honolulu to Singapore time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Honolulu and Singapore
The distance between Honolulu and Singapore is approximately 10,814 km. A direct flight typically takes around 13.7 hours. Your arrival clock will show local Singapore time — use our Flight Time Calculator to predict exact arrival times.