Found a broken link? May be the story can still be found.
PS: I finished "The Last Theorem" last week; should have a post soon - whenever "soon" happens. It's the fourth or fifth novel waiting a post - in company with one by Jack Vance & another by Hal Clement!
Related: Stories of Arthur Clarke, Frederik Pohl.
Trying to figure out science fiction
11:30 pm in this clock (that's 6 pm GMT).
The clock shows India time (IST). Note India doesn't have any concept of daylight saving time; so if your locale has it, the relative posting time will appear to have changed with your time change.