If the difference of longitudes for the two places is 90°, the time interval between these places will be –

When, there is mid-day in the Greenwich, local time of a place is 5 O'clock evening. At which of the following longitude (meridians) that place will be located –

How many hours of time difference will be there between the most western village of Gujarat and the most eastern village of Arunachal Pradesh, Walong?

The local time of a place is 6.00 AM when the Greenwich Mean Time (GMT) is 3:00 AM, what is the longitude of the place?

How much is the difference between Indian Standard Time (I.S.T.) and Greenwich Mean Time (G.M.T.)?

If it is 10.00 A.M. IST, then what would be the local time at Shillong at 92° E longitude?