IST is GMT+2. Therefore 1 o'clock in GMT is 3 o'clock in IST.
1640 GMT is 21:10 Indian Standard Time (IST). India is 5 hours and 30 minutes ahead of GMT, so you add that to the GMT time to get the equivalent IST time.
4 PM IST is 10:30 AM GMT. India Standard Time (IST) is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
The answer to this question will depend on what you are using the abbreviation IST to stand for. IST could represent Irish Summer Time, Israeli Standard Time, Iran Standard Time, or Indian Standard Time. The time zone information for each is below to compare to GMT: Irish Summer Time GMT/UTC +1 Israeli Standard Time GMT/UTC +2 Iran Standard Time GMT/UTC +3:30 Indian Standard Time GMT/UTC +5:30 Examples: If it were GMT 8:30 am, the Irish Summer Time would be 9:30 am. If it were GMT 8:30 am, the Israeli Standard Time would 10:30 am. If it were GMT 8:30 am, the Iran Standard Time would 12:00 pm (noon). If it were GMT 8:30 am, the Indian Standard Time would 2:00 pm.
India is in the IST time zone (GMT +5.30) meaning it is 5 hours and 30 minutes ahead of GMT. Therefore, 1700 GMT is 2230 IST.
IST is GMT+2. Therefore 1 o'clock in GMT is 3 o'clock in IST.
1640 GMT is 21:10 Indian Standard Time (IST). India is 5 hours and 30 minutes ahead of GMT, so you add that to the GMT time to get the equivalent IST time.
The time zone PDT has -7 hours difference form GMT and IST has + 5.30. Have a look in to this site, http://www.timeanddate.com/.
4 PM IST is 10:30 AM GMT. India Standard Time (IST) is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
The answer to this question will depend on what you are using the abbreviation IST to stand for. IST could represent Irish Summer Time, Israeli Standard Time, Iran Standard Time, or Indian Standard Time. The time zone information for each is below to compare to GMT: Irish Summer Time GMT/UTC +1 Israeli Standard Time GMT/UTC +2 Iran Standard Time GMT/UTC +3:30 Indian Standard Time GMT/UTC +5:30 Examples: If it were GMT 8:30 am, the Irish Summer Time would be 9:30 am. If it were GMT 8:30 am, the Israeli Standard Time would 10:30 am. If it were GMT 8:30 am, the Iran Standard Time would 12:00 pm (noon). If it were GMT 8:30 am, the Indian Standard Time would 2:00 pm.
India is in the IST time zone (GMT +5.30) meaning it is 5 hours and 30 minutes ahead of GMT. Therefore, 1700 GMT is 2230 IST.
Irish Summer Time is one hour ahead of Greenwich Mean Time (GMT).Israel Standard Time is two hours ahead of GMT.India Standard Time is five and a half hours ahead of GMT.
To convert 8:30 GMT to IST (Indian Standard Time), you need to add 5 hours and 30 minutes. Therefore, 8:30 GMT is equal to 14:00 IST.
Irish Summer Time is one hour ahead of Greenwich Mean Time (GMT).Israel Standard Time is two hours ahead of GMT.India Standard Time is five and a half hours ahead of GMT.
The difference between GMT and IST is +5:30:05 hours.GMT is understood for Greenwich Mean Time, calculated in United Kingdom, Royal Observatory at Greenwich.IST is India Standard Time. Which is calculated in Allahabad observatory in Mirzapur (Uttar Pardesh) in India. Its Longitude is 82.5 degree East.
Portugal and Ireland are in the same time zone, Greenwich Mean Time (GMT). However, during Daylight Saving Time, Ireland moves to Irish Standard Time (IST), which is 1 hour ahead of Portugal.
Add 5.30 hrs to GMT to get IST so 13.30 GMT means 19.00IST