IST to ChST Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
IST and ChST examples
These examples always use IST (UTC+5:30) and ChST (UTC+10). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 4 hours and 30 minutes behind ChST.
How the time difference changes
IST is 4 hours and 30 minutes behind ChST year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 1:30 pm to 9:30 pm in ChST.
Compare IST time with ChST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 4 hours and 30 minutes behind Chamorro Standard Time
5:30 pm17:30 in IST is 10:00 pm22:00 in ChST
IST to ChST call time
Best time for a conference call or a meeting is between 9am-12:30pm in IST which corresponds to 1:30pm-5pm in ChST
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 pm22:00 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
5:30 pm17:30 IST / 10:00 pm22:00 ChST
| IST | ChST |
|---|---|
| 12am (midnight) | 4:30 am |
| 1am | 5:30 am |
| 2am | 6:30 am |
| 3am | 7:30 am |
| 4am | 8:30 am |
| 5am | 9:30 am |
| 6am | 10:30 am |
| 7am | 11:30 am |
| 8am | 12:30 pm |
| 9am | 1:30 pm |
| 10am | 2:30 pm |
| 11am | 3:30 pm |
| 12pm (noon) | 4:30 pm |
| 1pm | 5:30 pm |
| 2pm | 6:30 pm |
| 3pm | 7:30 pm |
| 4pm | 8:30 pm |
| 5pm | 9:30 pm |
| 6pm | 10:30 pm |
| 7pm | 11:30 pm |
| 8pm | 12:30 am |
| 9pm | 1:30 am |
| 10pm | 2:30 am |
| 11pm | 3:30 am |
| 00:00 | 04:30 |
| 01:00 | 05:30 |
| 02:00 | 06:30 |
| 03:00 | 07:30 |
| 04:00 | 08:30 |
| 05:00 | 09:30 |
| 06:00 | 10:30 |
| 07:00 | 11:30 |
| 08:00 | 12:30 |
| 09:00 | 13:30 |
| 10:00 | 14:30 |
| 11:00 | 15:30 |
| 12:00 | 16:30 |
| 13:00 | 17:30 |
| 14:00 | 18:30 |
| 15:00 | 19:30 |
| 16:00 | 20:30 |
| 17:00 | 21:30 |
| 18:00 | 22:30 |
| 19:00 | 23:30 |
| 20:00 | 00:30 |
| 21:00 | 01:30 |
| 22:00 | 02:30 |
| 23:00 | 03:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Chennai, Kolkata.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Chamorro Standard Time
Offset: ChST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Guam, Northern Mariana Islands
Principal Cities: The largest city in the ChST time zone is Saipan in Northern Mariana Islands, with about 48,220 people. Other major cities in this time zone include Dededo Village, Yigo Village, Tamuning Tumon Harmon Village, Mangilao Village.
Daylight Saving: Clocks in Chamorro Standard Time (ChST) do not change for daylight saving time, so ChST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
ChST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
- Kilo - Military abbreviation for ChST
- K - short form of 'Kilo'
- Pacific/Guam
- Pacific/Saipan
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time