IST to HST
Convert India Time — Mumbai to Hawaii Time — Honolulu — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Mumbai, it's 5:30 PM in Honolulu. Honolulu is 15½ hours behind Mumbai. Use the converter above to turn any IST time into HST, or scan the hour-by-hour table below for the full day.
IST to HST at a glance
Planning a meeting between Mumbai and Honolulu
Mumbai and Honolulu share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Mumbai to Honolulu
A full day mapped from IST to HST.
Frequently asked
Is Honolulu ahead of or behind Mumbai?
Honolulu is 15½ hours behind Mumbai.
What is 12:00 PM IST in HST?
12:00 PM in Mumbai is 8:30 PM in Honolulu.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so IST and HST automatically reflect the correct daylight-saving offset for the current date.