HST to SGT Time Converter
SGT is 18 hours ahead of HST right now. 9:00 AM in HST is 3:00 AM in SGT (next day).
Time now: HST and SGT
SGT is 18 hours ahead of HST right now. The gap stays the same all year, because neither changes its clocks.
HST to SGT conversion table
Every hour of the day, using today's time difference.
| HST | SGT |
|---|---|
| 12:00 AM | 6:00 PM |
| 1:00 AM | 7:00 PM |
| 2:00 AM | 8:00 PM |
| 3:00 AM | 9:00 PM |
| 4:00 AM | 10:00 PM |
| 5:00 AM | 11:00 PM |
| 6:00 AM | 12:00 AMnext day |
| 7:00 AM | 1:00 AMnext day |
| 8:00 AM | 2:00 AMnext day |
| 9:00 AM | 3:00 AMnext day |
| 10:00 AM | 4:00 AMnext day |
| 11:00 AM | 5:00 AMnext day |
| 12:00 PM | 6:00 AMnext day |
| 1:00 PM | 7:00 AMnext day |
| 2:00 PM | 8:00 AMnext day |
| 3:00 PM | 9:00 AMnext day |
| 4:00 PM | 10:00 AMnext day |
| 5:00 PM | 11:00 AMnext day |
| 6:00 PM | 12:00 PMnext day |
| 7:00 PM | 1:00 PMnext day |
| 8:00 PM | 2:00 PMnext day |
| 9:00 PM | 3:00 PMnext day |
| 10:00 PM | 4:00 PMnext day |
| 11:00 PM | 5:00 PMnext day |
Best time to meet between HST and SGT
Working hours overlap (9 AM – 6 PM in both places):
- 3:00 PM – 6:00 PM HST = 9:00 AM – 12:00 PM SGT
Does the time difference between HST and SGT change?
No. Neither place changes its clocks, so SGT is 18 hours ahead of HST all year.
Office hours in each other's time
- 9 AM to 6 PM in HST is 3:00 AM (next day) to 12:00 PM (next day) in SGT.
- 9 AM to 6 PM in SGT is 3:00 PM (previous day) to 12:00 AM in HST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between HST and SGT?
SGT is 18 hours ahead of HST right now. The gap stays the same all year, because neither changes its clocks.
How do I convert HST to SGT?
Add 18 hours to the HST time to get the SGT time (at today's difference). 9:00 AM in HST is 3:00 AM in SGT (next day). Or use the converter above and pick any date and time.
What is the current time in SGT?
It is 7:13 AM in SGT on Tuesday, November 10 (the converter above shows it live). At the same moment it is 1:13 PM in HST.
Does the time difference between HST and SGT change during the year?
No. Neither place changes its clocks, so SGT is 18 hours ahead of HST all year.
What is the best time for a meeting between HST and SGT?
Between 9 AM and 6 PM in both places you can meet at 3:00 PM – 6:00 PM HST = 9:00 AM – 12:00 PM SGT. Check the overlap section on this page for every option.
What does HST mean?
Hawaii does not use daylight saving time.