Time zone converter
ICT to IST
Convert Indochina Time — Hanoi to India Time — Mumbai — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Hanoi, it's 7:30 AM in Mumbai. Mumbai is 1½ hours behind Hanoi. Use the converter above to turn any ICT time into IST, or scan the hour-by-hour table below for the full day.
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Indochina Time — Hanoi ·
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India Time — Mumbai ·
Convert a specific timein Hanoi → — in Mumbai
ICT to IST at a glance
9:00 AM ICT
7:30 AM
IST · Mumbai
12:00 PM ICT
10:30 AM
IST · Mumbai
5:00 PM ICT
3:30 PM
IST · Mumbai
Planning a meeting between Hanoi and Mumbai
Planning a call between Hanoi and Mumbai? The best overlap during a standard 9-to-5 workday runs 10:30 AM–5:00 PM ICT (9:00 AM–3:30 PM IST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Hanoi to Mumbai
A full day mapped from ICT to IST.
Frequently asked
Is Mumbai ahead of or behind Hanoi?
Mumbai is 1½ hours behind Hanoi.
What is 12:00 PM ICT in IST?
12:00 PM in Hanoi is 10:30 AM in Mumbai.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so ICT and IST automatically reflect the correct daylight-saving offset for the current date.