IST to HST Time Converter
HST is 15 hours 30 minutes behind IST right now. 9:00 AM in IST is 5:30 PM in HST (the day before).
Time now: IST and HST
HST is 15 hours 30 minutes behind IST right now. The gap stays the same all year, because neither changes its clocks.
IST to HST conversion table
Every hour of the day, using today's time difference.
| IST | HST |
|---|---|
| 12:00 AM | 8:30 AMprevious day |
| 1:00 AM | 9:30 AMprevious day |
| 2:00 AM | 10:30 AMprevious day |
| 3:00 AM | 11:30 AMprevious day |
| 4:00 AM | 12:30 PMprevious day |
| 5:00 AM | 1:30 PMprevious day |
| 6:00 AM | 2:30 PMprevious day |
| 7:00 AM | 3:30 PMprevious day |
| 8:00 AM | 4:30 PMprevious day |
| 9:00 AM | 5:30 PMprevious day |
| 10:00 AM | 6:30 PMprevious day |
| 11:00 AM | 7:30 PMprevious day |
| 12:00 PM | 8:30 PMprevious day |
| 1:00 PM | 9:30 PMprevious day |
| 2:00 PM | 10:30 PMprevious day |
| 3:00 PM | 11:30 PMprevious day |
| 4:00 PM | 12:30 AM |
| 5:00 PM | 1:30 AM |
| 6:00 PM | 2:30 AM |
| 7:00 PM | 3:30 AM |
| 8:00 PM | 4:30 AM |
| 9:00 PM | 5:30 AM |
| 10:00 PM | 6:30 AM |
| 11:00 PM | 7:30 AM |
IST to HST time chart: 6 PM, 7:30 PM and every half hour
The gap stays the same all year.
| IST | HST |
|---|---|
| 6:00 AM | 2:30 PM (previous day) |
| 6:30 AM | 3:00 PM (previous day) |
| 7:00 AM | 3:30 PM (previous day) |
| 7:30 AM | 4:00 PM (previous day) |
| 8:00 AM | 4:30 PM (previous day) |
| 8:30 AM | 5:00 PM (previous day) |
| 9:00 AM | 5:30 PM (previous day) |
| 9:30 AM | 6:00 PM (previous day) |
| 10:00 AM | 6:30 PM (previous day) |
| 10:30 AM | 7:00 PM (previous day) |
| 11:00 AM | 7:30 PM (previous day) |
| 11:30 AM | 8:00 PM (previous day) |
| 12:00 PM | 8:30 PM (previous day) |
| 12:30 PM | 9:00 PM (previous day) |
| 1:00 PM | 9:30 PM (previous day) |
| 1:30 PM | 10:00 PM (previous day) |
| 2:00 PM | 10:30 PM (previous day) |
| 2:30 PM | 11:00 PM (previous day) |
| 3:00 PM | 11:30 PM (previous day) |
| 3:30 PM | 12:00 AM |
| 4:00 PM | 12:30 AM |
| 4:30 PM | 1:00 AM |
| 5:00 PM | 1:30 AM |
| 5:30 PM | 2:00 AM |
| 6:00 PM | 2:30 AM |
| 6:30 PM | 3:00 AM |
| 7:00 PM | 3:30 AM |
| 7:30 PM | 4:00 AM |
| 8:00 PM | 4:30 AM |
| 8:30 PM | 5:00 AM |
| 9:00 PM | 5:30 AM |
| 9:30 PM | 6:00 AM |
| 10:00 PM | 6:30 AM |
| 10:30 PM | 7:00 AM |
| 11:00 PM | 7:30 AM |
| 11:30 PM | 8:00 AM |
Best time to meet between IST and HST
Working hours overlap (9 AM – 6 PM in both places):
- 9:00 AM – 10:00 AM IST = 5:30 PM – 6:30 PM HST
Does the time difference between IST and HST change?
No. Neither place changes its clocks, so HST is 15 hours 30 minutes behind IST all year.
Office hours in each other's time
- 9 AM to 6 PM in IST is 5:30 PM (previous day) to 2:30 AM in HST.
- 9 AM to 6 PM in HST is 12:30 AM (next day) to 9:30 AM (next day) in IST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between IST and HST?
HST is 15 hours 30 minutes behind IST right now. The gap stays the same all year, because neither changes its clocks.
How do I convert IST to HST?
Subtract 15 hours 30 minutes from the IST time to get the HST time (at today's difference). 9:00 AM in IST is 5:30 PM in HST (the day before). Or use the converter above and pick any date and time.
What is the current time in HST?
It is 2:00 PM in HST on Monday, November 9 (the converter above shows it live). At the same moment it is 5:30 AM in IST.
Does the time difference between IST and HST change during the year?
No. Neither place changes its clocks, so HST is 15 hours 30 minutes behind IST all year.
What is 6 PM IST in HST?
6 PM IST is 2:30 AM in HST all year. The chart on this page lists every half hour.
What is 7:30 PM IST in HST?
7:30 PM IST is 4:00 AM in HST all year. The chart on this page lists every half hour.
What is the best time for a meeting between IST and HST?
Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 10:00 AM IST = 5:30 PM – 6:30 PM HST. Check the overlap section on this page for every option.
What does IST mean?
IST here means India Standard Time (UTC+05:30). India does not use daylight saving time. (The letters IST are also used for Irish and Israel time.)
What does HST mean?
Hawaii does not use daylight saving time.