SGT to HST time converter
Hawaii Time (HST) is 18 hours behind Singapore Time (SGT) all year round. Use the grid below to line up Singapore and Honolulu: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 17:43 SGT in Singapore and 23:43 HST in Honolulu.
Tue, Oct 20
Singapore home
17:43
Tue, Oct 20 · UTC+8
Honolulu
23:43 -1
Mon, Oct 19 · UTC-10
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
SGT to HST: frequently asked
What is the time difference between SGT and HST?
Hawaii Time (HST) is 18 hours behind Singapore Time (SGT) all year round.
What time is 9 AM SGT in HST?
9:00 AM SGT is 3:00 PM HST the previous day.
When do working hours overlap between Singapore and Honolulu?
Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 3:00 AM SGT, which is 9:00 AM HST.