IST to HST time converter
Hawaii Time (HST) is 15 hours 30 minutes behind India Standard Time (IST) all year round. Use the grid below to line up New Delhi 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 15:13 IST in New Delhi and 23:43 HST in Honolulu.
Tue, Oct 20
Kolkata home
15:13
Tue, Oct 20 · UTC+5:30
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.
IST to HST: frequently asked
What is the time difference between IST and HST?
Hawaii Time (HST) is 15 hours 30 minutes behind India Standard Time (IST) all year round.
What time is 9 AM IST in HST?
9:00 AM IST is 5:30 PM HST the previous day.
When do working hours overlap between New Delhi and Honolulu?
Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 12:30 AM IST, which is 9:00 AM HST.