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Convert Japan Standard Time (JST) to India Standard Time (IST, UTC+5.5) with our professional time zone converter. Designed for international business meetings between Tokyo to Mumbai, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling. Perfect for international business coordination, global team management, and cross-border communication. No registration required - works instantly on all devices with offline capability.
India Standard Time is 3 hours and 30 minutes behind Japan Standard Time
Complete hourly conversion for Japan Standard Time to India Standard Time
| Japan Standard Time | India Standard Time | 24-Hour JST | 24-Hour IST |
|---|---|---|---|
| 12:00 AM | 8:30 PM (previous day) | 00:00 | 20:30 |
| 1:00 AM | 9:30 PM (previous day) | 01:00 | 21:30 |
| 2:00 AM | 10:30 PM (previous day) | 02:00 | 22:30 |
| 3:00 AM | 11:30 PM (previous day) | 03:00 | 23:30 |
| 4:00 AM | 12:30 AM | 04:00 | 00:30 |
| 5:00 AM | 1:30 AM | 05:00 | 01:30 |
| 6:00 AM | 2:30 AM | 06:00 | 02:30 |
| 7:00 AM | 3:30 AM | 07:00 | 03:30 |
| 8:00 AM | 4:30 AM | 08:00 | 04:30 |
| 9:00 AM | 5:30 AM | 09:00 | 05:30 |
| 10:00 AM | 6:30 AM | 10:00 | 06:30 |
| 11:00 AM | 7:30 AM | 11:00 | 07:30 |
| 12:00 PM | 8:30 AM | 12:00 | 08:30 |
| 1:00 PM | 9:30 AM | 13:00 | 09:30 |
| 2:00 PM | 10:30 AM | 14:00 | 10:30 |
| 3:00 PM | 11:30 AM | 15:00 | 11:30 |
| 4:00 PM | 12:30 PM | 16:00 | 12:30 |
| 5:00 PM | 1:30 PM | 17:00 | 13:30 |
| 6:00 PM | 2:30 PM | 18:00 | 14:30 |
| 7:00 PM | 3:30 PM | 19:00 | 15:30 |
| 8:00 PM | 4:30 PM | 20:00 | 16:30 |
| 9:00 PM | 5:30 PM | 21:00 | 17:30 |
| 10:00 PM | 6:30 PM | 22:00 | 18:30 |
| 11:00 PM | 7:30 PM | 23:00 | 19:30 |
Optimal hours for calls between JST and IST
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
Japan Standard Time (JST) is 3 hours and 30 minutes ahead of Indian Standard Time (IST). This difference should be considered when scheduling meetings or events across these time zones.
To convert JST to IST manually, subtract 3 hours and 30 minutes from the JST time. For example, if it is 3:00 PM JST, it would be 11:30 AM IST after the conversion.
Yes, several online tools can help you convert JST to IST easily. Websites like iformat.io provide user-friendly interfaces where you can instantly input your JST time and receive the corresponding IST time.
The most convenient time for a conference call between JST and IST is typically between 12:30 PM and 6:00 PM in JST, which corresponds to 9:00 AM to 2:30 PM in IST. This timeframe accommodates regular working hours for both regions.
Japan does not observe daylight saving time, so the conversion from JST to IST remains consistent throughout the year. You will always subtract 3 hours and 30 minutes from JST to get IST.
When planning international meetings, it's essential to consider the 3-hour and 30-minute difference and potential overlap with working hours. Scheduling during standard business hours for both regions helps ensure maximum participation.
