HST to IST
Convert Hawaii Time — Honolulu to India Time — Mumbai — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Honolulu, it's 12:30 AM in Mumbai. Mumbai is 15½ hours ahead of Honolulu. Use the converter above to turn any HST time into IST, or scan the hour-by-hour table below for the full day.
HST to IST at a glance
Planning a meeting between Honolulu and Mumbai
Honolulu and Mumbai 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: Honolulu to Mumbai
A full day mapped from HST to IST.
Frequently asked
Is Mumbai ahead of or behind Honolulu?
Mumbai is 15½ hours ahead of Honolulu.
What is 12:00 PM HST in IST?
12:00 PM in Honolulu is 3:30 AM in Mumbai.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so HST and IST automatically reflect the correct daylight-saving offset for the current date.